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Lan WZ, Tang H, Wen LB, Chen Z, Zhou YL, Dai WW, Wang M, Li XN, Wang WJ, Tang F, Yang ZK, Tang Y. Artificial Intelligence-Assisted Prescription Determination for Orthokeratology Lens Fitting: From Algorithm to Clinical Practice. Eye Contact Lens 2024; 50:297-304. [PMID: 38695745 DOI: 10.1097/icl.0000000000001091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/19/2024] [Indexed: 05/06/2024]
Abstract
OBJECTIVES To explore the potential of artificial intelligence (AI) to assist prescription determination for orthokeratology (OK) lenses. METHODS Artificial intelligence algorithm development followed by a real-world trial. A total of 11,502 OK lenses fitting records collected from seven clinical environments covering major brands. Records were randomly divided in a three-way data split. Cross-validation was used to identify the most accurate algorithm, followed by an evaluation using an independent test data set. An online AI-assisted system was implemented and assessed in a real-world trial involving four junior and three senior clinicians. RESULTS The primary outcome measure was the algorithm's accuracy (ACC). The ACC of the best performance of algorithms to predict the targeted reduction amplitude, lens diameter, and alignment curve of the prescription was 0.80, 0.82, and 0.83, respectively. With the assistance of the AI system, the number of trials required to determine the final prescription significantly decreased for six of the seven participating clinicians (all P <0.01). This reduction was more significant among junior clinicians compared with consultants (0.76±0.60 vs. 0.32±0.60, P <0.001). Junior clinicians achieved clinical outcomes comparable to their seniors, as 93.96% (140/149) and 94.44% (119/126), respectively, of the eyes fitted achieved unaided visual acuity no worse than 0.8 ( P =0.864). CONCLUSIONS AI can improve prescription efficiency and reduce discrepancies in clinical outcomes among clinicians with differing levels of experience. Embedment of AI in practice should ultimately help lessen the medical burden and improve service quality for myopia boom emerging worldwide.
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Affiliation(s)
- Wei-Zhong Lan
- Guangzhou Aier Eye Hospital (W.-Z.L.), Jinan University, Guanghzou, China; School of Stomatology and Ophthalmology (W.-Z.L., X.L., Z.Y.), Xianning Medical College, Hubei University of Science and Technology, Xianing, China; SoC Design Center (H.T.), University of Electronic Science and Technology of China, Chengdu, China; School of Electronic Science and Engineering (H.T.), University of Electronic Science and Technology of China, Chengdu, China; Aier School of Ophthalmology (L.-B.W., Z.C., Y.Z., Z.Y.), Central South University, Changsha, China; Information Center (W.D., M.W., F.T.), Aier Eye Hospital Group, Changsha, China; School of Information and Software Engineering (W.-J.W.), University of Electronic Science and Technology of China, Chengdu, China; School of Computer Science and Engineering (Y.T.), University of Electronic Science and Technology of China, Chengdu, China; Hunan Province Optometry Engineering and Technology Research Center (W.-Z.L., L.-B.W., Z.C., X.L., Z.Y.), Changsha, China; and Hunan Province International Cooperation Base for Optometry Science and Technology (W.-Z.L., L.-B.W., Z.C., X.L., Z.Y.), Changsha, China
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Sartor L, Hunter DS, Vo ML, Samarawickrama C. Benefits and risks of orthokeratology treatment: a systematic review and meta-analysis. Int Ophthalmol 2024; 44:239. [PMID: 38904856 PMCID: PMC11192849 DOI: 10.1007/s10792-024-03175-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 06/15/2024] [Indexed: 06/22/2024]
Abstract
BACKGROUND This meta-analysis reviews the evidence for the risks and benefits associated with orthokeratology (OK) treatment compared with other methods of myopia control in children and adults. METHODS A systematic search of Cochrane Central Register of Controlled Trials, Pubmed, Embase and Ovid was conducted from database inception to 22nd August 2021. Studies that reported on risks, visual and ocular biometric effects of OK in patients > 5 years of age with myopia (- 0.75 to - 6.00D) were included. Main outcomes are change in axial length and any adverse event. RESULTS Fourty-five papers were included in this systematic review and meta-analysis. The quality of data was variable and of moderate certainty, and selection bias likely skewed the results towards a relative benefit for OK. The rate of axial elongation in children was lower for OK treatment compared to other treatment modalities at one year (MD - 0.16 mm, 95% CI - 0.25 to - 0.07). Rate of change in axial length in children rebounded after OK discontinuation compared to participants who continued treatment (MD 0.10 mm, 95% CI 0.06 to 0.14). Adults and children wearing OK were up to 3.79 times more likely to experience an adverse event when compared with conventional contact lenses (OR 3.79, 95% CI 1.24 to ll.), though this evidence base is underdeveloped and requires additional well-designed studies for substantial conclusions to be drawn. CONCLUSIONS OK arrests myopia progression while in use, however, there remain unanswered questions about the optimal duration of treatment, discontinuation effects and long-term risk for adverse events.
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Affiliation(s)
- Lauren Sartor
- Centre for Vision Research, Westmead Institute of Medical Research, Sydney, Australia
- Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
- Department of Ophthalmology, Westmead Hospital, Sydney, NSW, Australia
| | - Damien S Hunter
- Centre for Vision Research, Westmead Institute of Medical Research, Sydney, Australia
- Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Mai Linh Vo
- Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Chameen Samarawickrama
- Centre for Vision Research, Westmead Institute of Medical Research, Sydney, Australia.
- Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.
- Department of Ophthalmology, Westmead Hospital, Sydney, NSW, Australia.
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Zhang XJ, Zaabaar E, French AN, Tang FY, Kam KW, Tham CC, Chen LJ, Pang CP, Yam JC. Advances in myopia control strategies for children. Br J Ophthalmol 2024:bjo-2023-323887. [PMID: 38777389 DOI: 10.1136/bjo-2023-323887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 03/19/2024] [Indexed: 05/25/2024]
Abstract
Myopia has long been a global threat to public health. Timely interventions are likely to reduce the risk of vision-threatening complications. There are both established and rapidly evolving therapeutic approaches to slow myopia progression and/or delay its onset. The effective methods for slowing myopia progression include atropine eye-drops, defocus incorporated multiple segments (DIMS) spectacle lenses, spectacle lenses with highly aspherical lenslets target (HALT), diffusion optics technology (DOT) spectacle lenses, red light therapy (RLT), multifocal soft contact lenses and orthokeratology. Among these, 0.05% atropine, HALT lenses, RLT and +3.00 peripheral addition soft contact lenses yield over 60% reduction in myopia progression, whereas DIMS, DOT and MiSight contact lenses demonstrate at least 50% myopia control efficacy. 0.05% atropine demonstrates a more optimal balance of efficacy and safety than 0.01%. The efficacy of 0.01% atropine has not been consistent and requires further validation across diverse ethnicities. Combining atropine 0.01% with orthokeratology or DIMS spectacles yields better outcomes than using these interventions as monotherapies. Increased outdoor time is an effective public health strategy for myopia prevention while recent studies suggest that 0.05% low-concentration atropine and RLT therapy have promising potential as clinical myopia prevention interventions for high-risk groups. Myopia control spectacle lenses, being the least invasive, are safe for long-term use. However, when considering other approaches, it is essential to ensure proper instruction and regular follow-ups to maintain safety and monitor any potential complications. Ultimately, significant advances have been made in myopia control strategies, many of which have shown meaningful clinical outcomes. However, regular use and adequate safety monitoring over extended durations are imperative to foster confidence that can only come from extensive clinical experience.
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Affiliation(s)
- Xiu Juan Zhang
- Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Ebenezer Zaabaar
- Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Amanda Nicole French
- Discipline of Orthoptics, University of Sydney, Sydney, New South Wales, Australia
| | - Fang Yao Tang
- Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Ka Wai Kam
- Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
- Department of Ophthalmology and Visual Sciences, The Prince of Wales Hospital, Hong Kong SAR, China
| | - Clement C Tham
- Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
- Department of Ophthalmology and Visual Sciences, The Prince of Wales Hospital, Hong Kong SAR, China
- Hong Kong Eye Hospital, Hong Kong SAR, China
- Lam Kin Chung. Jet King-Shing Ho Glaucoma Treatment and Research Centre, Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
- Department of Ophthalmology, Hong Kong Children Hospital, Hong Kong SAR, China
- Hong Kong Hub of Paediatric Excellence, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Li Jia Chen
- Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
- Department of Ophthalmology and Visual Sciences, The Prince of Wales Hospital, Hong Kong SAR, China
- Hong Kong Eye Hospital, Hong Kong SAR, China
- Lam Kin Chung. Jet King-Shing Ho Glaucoma Treatment and Research Centre, Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
- Hong Kong Hub of Paediatric Excellence, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Chi Pui Pang
- Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
- Lam Kin Chung. Jet King-Shing Ho Glaucoma Treatment and Research Centre, Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
- Hong Kong Hub of Paediatric Excellence, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Jason C Yam
- Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
- Department of Ophthalmology and Visual Sciences, The Prince of Wales Hospital, Hong Kong SAR, China
- Hong Kong Eye Hospital, Hong Kong SAR, China
- Department of Ophthalmology, Hong Kong Children Hospital, Hong Kong SAR, China
- Hong Kong Hub of Paediatric Excellence, The Chinese University of Hong Kong, Hong Kong SAR, China
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Zhou YL, Jin WQ, Yang JW, Song HX, Chang F, Xia F, Zhang F, Lan WZ, Lu F. The efficacy of a device-based approach to microorganism disinfection and protein removal for orthokeratology lenses in varied clinical circumstances. Cont Lens Anterior Eye 2024; 47:102106. [PMID: 38105172 DOI: 10.1016/j.clae.2023.102106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 10/27/2023] [Accepted: 12/11/2023] [Indexed: 12/19/2023]
Abstract
PURPOSE RigidCare is an electrolysis-based device that recently obtained approval from the US's FDA to sterilise microorganisms and remove proteins for orthokeratology (O-K) lenses. The study was conducted to investigate the device's performance in varied clinical circumstances. METHODS Trial lenses and private lenses were employed by O-K lens wearers from five hospitals for an evaluation of disinfection and sterilisation and an assessment of protein removal, respectively. Menicon multipurpose solution and protein remover were selected for use with the control group. Following the instructions, pre-cleaning lens samples, post-cleaning lens samples and residual solution samples of trial lenses of the experimental and control groups were collected for microorganism examinations by an experienced third-party testing organisation. The levels of protein deposition for these two approaches were rated by senior O-K experts. Categorical variables were analysed using statistical tests, such as the chi-squared test and Fisher's exact test. RESULTS The microbial positive rate detected from the pre-cleaning and post-cleaning lens samples and the residual solution of the trial lenses for the experimental and control group was 4/76 vs 1/74 (P = 0.37), 1/76 vs 0/74 (P = 1.00) and 0/76 vs 8/74 (P = 0.006), respectively. Following protein removal, the experimental group exhibited a significantly higher overall proportion of lenses rated as 'clean' or with a 'mild deposit' (96.4 %, 79/82) compared to the control group (85.7 %, 66/77), with a significant difference (P < 0.05). CONCLUSION This multi-center study demonstrated that RigidCare exhibited superior efficacy in disinfection, sterilisation and protein removal as compared to Menicon multipurpose solution and protein remover.
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Affiliation(s)
- Yong-Li Zhou
- Aier School of Ophthalmology, Central South University, Changsha, Hunan, P.R. China
| | - Wan-Qing Jin
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China; National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Ji-Wen Yang
- Liaoning Aier Eye Hospital, Shenyang, Liaoning, China
| | - Hong-Xin Song
- Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Feng Chang
- Department of Ophthalmology, General Hospital of the Central Theater Command of the People's Liberation Army of China, Wuhan, Hubei, China
| | - Fangfang Xia
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Fen Zhang
- Department of Ophthalmology, General Hospital of the Central Theater Command of the People's Liberation Army of China, Wuhan, Hubei, China
| | - Wei-Zhong Lan
- Aier School of Ophthalmology, Central South University, Changsha, Hunan, P.R. China; Hunan Province Optometry Engineering and Technology Research Center, Changsha, Hunan, China; Hunan Province International Cooperation Base for Optometry Science and Technology, Changsha, Hunan, China.
| | - Fan Lu
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China; National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China.
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Yamasaki K, Dantam J, Sasanuma K, Hisamura R, Mizuno Y, Hui A, Jones L. Impact of in vitro lens deposition and removal on bacterial adhesion to orthokeratology contact lenses. Cont Lens Anterior Eye 2024; 47:102104. [PMID: 38161140 DOI: 10.1016/j.clae.2023.102104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 11/22/2023] [Accepted: 12/11/2023] [Indexed: 01/03/2024]
Abstract
PURPOSE The purpose of this study was to explore the impact of several contact lens (CL) care solutions on the removal of proteins and lipids, and how deposit removal impacts bacterial adhesion and solution disinfection. METHODS Lysozyme and lipid deposition on three ortho-k (rigid) and two soft CL materials were evaluated using an ELISA kit and gas chromatography respectively. Bacterial adhesion to a fluorosilicone acrylate material using Pseudomonas aeruginosa with various compositions of artificial tear solutions (ATS), including with denatured proteins, was also investigated. The impact of deposition of the different formulations of ATS on biofilm formation was explored using cover slips. Finally, the lysozyme and lipid cleaning efficacy and disinfection efficacy against P. aeruginosa and Staphylococcus aureus of four different contact lens care solutions were studied using qualitative analysis. RESULTS While maximum lysozyme deposition was observed with the fluorosilicone acrylate material (327.25 ± 54.25 µg/lens), the highest amount of lipid deposition was recorded with a fluoro-siloxanyl styrene material (134.71 ± 19.87 µg/lens). Adhesion of P. aeruginosa to fluorosilicone acrylate lenses and biofilm formation on cover slips were significantly greater with the addition of denatured proteins and lipids. Of the four contact lens care solutions investigated, the solution based on povidone-iodine removed both denatured lysozyme and lipid deposits and could effectively disinfect against P. aeruginosa and S. aureus when contaminated with denatured proteins and lipids. In contrast, the peroxide-based solution was able to inhibit P. aeruginosa growth only, while the two multipurpose solutions were unable to disinfect lenses contaminated with denatured proteins and lipids. CONCLUSION Bacterial adhesion and biofilm formation is influenced by components within artificial tear solutions depositing on lenses, including denatured proteins and lipids, which also affects disinfection. The ability of different solutions to remove these deposits should be considered when selecting systems to clean and disinfect ortho-k lenses.
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Affiliation(s)
| | - Jaya Dantam
- Centre for Ocular Research & Education (CORE), School of Optometry and Vision Science, University of Waterloo, Ontario, Canada
| | | | | | - Yohei Mizuno
- Kobe Research Center, OPHTECS Corporation, Kobe, Japan
| | - Alex Hui
- Centre for Ocular Research & Education (CORE), School of Optometry and Vision Science, University of Waterloo, Ontario, Canada; School of Optometry and Vision Science, Faculty of Medicine and Health, UNSW Sydney, Australia.
| | - Lyndon Jones
- Centre for Ocular Research & Education (CORE), School of Optometry and Vision Science, University of Waterloo, Ontario, Canada; Centre for Eye and Vision Research (CEVR), Hong Kong Special Administrative Region, Hong Kong
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Bisen AC, Bhatta RS. Ocular bioanalysis of moxifloxacin and ketorolac tromethamine in rabbit lacrimal matrix using liquid chromatography-tandem mass spectrometry. Bioanalysis 2024; 16:219-232. [PMID: 38197429 DOI: 10.4155/bio-2023-0233] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2024] Open
Abstract
Aim: The fixed-dose combination of moxifloxacin (MOXI) and ketorolac tromethamine (KTR) is widely used for the treatment of bacterial keratitis. Thus, a new LC-MS/MS method was developed to determine MOXI and KTR in lacrimal fluid. Methods: Bioanalysis was performed using a Shimadzu 8050 LC-MS/MS in electrospray ionization-positive mode and the method was validated per US FDA guidelines. Isocratic separation was performed with a Waters Symmetry C18 column using methanol and 0.1% formic acid containing deionized water (85:15, v/v). Results & conclusion: An easy, quick and selective method was established and applied to assess the ocular pharmacokinetic profile of a commercially available formulation containing MOXI and KTR. Based on the pharmacokinetic data, this work describes pharmacokinetics-based dosage regimen calculations and their clinical significance.
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Affiliation(s)
- Amol Chhatrapati Bisen
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), CSIR-HRDC Campus, Ghaziabad, Uttar Pradesh, 201002, India
| | - Rabi Sankar Bhatta
- Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), CSIR-HRDC Campus, Ghaziabad, Uttar Pradesh, 201002, India
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Fan H, Zhang X, Wei Q, Zhong Q, Liu M, Li B, Li S, Zhang R, Xie A. Myopia control efficacy of peripheral defocus soft contact lenses in children and adolescents: A meta-analysis. Eur J Ophthalmol 2024:11206721241229474. [PMID: 38298013 DOI: 10.1177/11206721241229474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Abstract
OBJECTIVES To evaluate the effect of peripheral defocus soft contact lenses (PDSCLs) on controlling myopia progression in children and adolescents, and to compare it with orthokeratology (Ortho-K) and single vision lenses (SVLs). METHODS We conducted a systematic search of PubMed, the Cochrane Library, Medline, CNKI, CBM, VIP, and WanFang Data databases for randomized controlled trials (RCTs) and cohort studies that investigated the effects of PDSCLs on myopia control in children and adolescents. The published languages were limited to English and Chinese. The risk bias tool provided by the Cochrane risk-of-bias tool and Newcastle-Ottawa Scale were used to assess the risk bias of included studies of RCTs and CTs. The published biases of included studies were assessed by Egger`s test. RESULTS We included 21 studies, comprising 13 RCTs and 8 cohort studies, with a total of 1337 participants in the PDSCLs group, 428 in the Ortho-K group, and 707 in the SVLs group. The meta-analysis indicated no significant difference between PDSCLs and Ortho-K in controlling the increase of diopter (MD = 0.01, 95% CI: -0.06, 0.09; P = 0.69) and axial length (MD = -0.01, 95% CI: -0.02, 0.00; P = 0.28). Compared with SVLs, PDSCLs had a better effect in controlling the increase of diopter (MD = 0.23, 95% CI: 0.17, 0.28; P < 0.00001) and axial length (MD = -0.11, 95% CI: -0.12, -0.09; P < 0.00001) in children and adolescents. CONCLUSIONS Children and adolescents wearing PDSCLs can achieve better myopia control than those wearing SVLs, and their effect is comparable to that of Ortho-K.
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Affiliation(s)
- Haobo Fan
- Eye School of Chengdu University of TCM, Chengdu, China
- Department of Optometry and Pediatric Ophthalmology, Ineye Hospital of Chengdu University of TCM, Chengdu, China
| | - Xuemin Zhang
- Department of Optometry and Pediatric Ophthalmology, Ineye Hospital of Chengdu University of TCM, Chengdu, China
| | - Qiumei Wei
- Department of Optometry and Pediatric Ophthalmology, Ineye Hospital of Chengdu University of TCM, Chengdu, China
| | - Qiao Zhong
- Department of Optometry and Pediatric Ophthalmology, Ineye Hospital of Chengdu University of TCM, Chengdu, China
| | - Meng Liu
- Ophthalmology Department, Chongqing University Jiangjin Hospital, Chongqing, China
| | - Bingqian Li
- Department of Optometry and Pediatric Ophthalmology, Ineye Hospital of Chengdu University of TCM, Chengdu, China
| | - Shilin Li
- Department of Optometry and Pediatric Ophthalmology, Ineye Hospital of Chengdu University of TCM, Chengdu, China
| | - Renwei Zhang
- Department of Optometry and Pediatric Ophthalmology, Ineye Hospital of Chengdu University of TCM, Chengdu, China
| | - Airui Xie
- Eye School of Chengdu University of TCM, Chengdu, China
- Department of Optometry and Pediatric Ophthalmology, Ineye Hospital of Chengdu University of TCM, Chengdu, China
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Zhou W, Liao Y, Wang W, Sun Y, Li Q, Liu S, Tang J, Li L, Wang X. Efficacy of Different Powers of Low-Level Red Light in Children for Myopia Control. Ophthalmology 2024; 131:48-57. [PMID: 37634757 DOI: 10.1016/j.ophtha.2023.08.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 08/08/2023] [Accepted: 08/21/2023] [Indexed: 08/29/2023] Open
Abstract
PURPOSE To compare the efficacy and safety of low-level red light (LRL) in controlling myopia progression at 3 different powers: 0.37 mW, 0.60 mW, and 1.20 mW. DESIGN Single-center, single-masked, randomized controlled trial. PARTICIPANTS Two hundred children aged 6-15 with myopia of -0.50 diopter (D) or more and astigmatism of -2.50 D or less were enrolled from April to May 2022. Follow-up ended in December 2022. METHODS Participants were assigned randomly to 3 intervention groups and 1 control group (1:1:1:1). All participants wore single-vision spectacles. Moreover, the intervention group randomly received LRL at 3 different powers twice daily for 3 minutes per session, with a minimum 4-hour interval. MAIN OUTCOME MEASURES Changes in spherical equivalent (SE), axial length (AL), and subfoveal choroidal thickness (SFCT) were measured. RESULTS After 6 months, SE progression was significantly lower in the 0.37-mW group (0.01 D; 95% confidence interval [CI], -0.12 to 0.15), 0.60-mW group (-0.05 D; 95% CI, -0.18 to 0.07), and 1.20-mW group (0.16 D; 95% CI, 0.03 to 0.30) compared to the control group (-0.22 D; 95% CI, -0.50 to 0.30; adjusted P < 0.001 for all). AL changes in the 0.37-mW group (0.04 mm; 95% CI, -0.01 to 0.08), 0.60-mW group (0.00 mm; 95% CI, -0.05 to 0.05), and 1.20-mW group (-0.04 mm; 95% CI, -0.08 to 0.01) were significantly smaller than the control group (0.27 mm; 95% CI, 0.22 to 0.33; adjusted P < 0.001 for all). Similarly, increases in SFCT were significantly greater in the 0.37-mW group (22.63 μm; 95% CI, 12.13 to 33.34 μm), 0.60-mW group (36.17 μm; 95% CI, 24.37 to 48.25 μm), and 1.20-mW group (42.59 μm; 95% CI, 23.43 to 66.24 μm) than the control group (-5.07 μm; 95% CI, -10.32 to -0.13 μm; adjusted P < 0.001 for all). No adverse events were observed. CONCLUSIONS LRL effectively controlled myopia progression at 0.37 mW, 0.60 mW, and 1.20 mW. Further research is required. FINANCIAL DISCLOSURE(S) The author(s) have no proprietary or commercial interest in any materials discussed in this article.
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Affiliation(s)
- Wen Zhou
- Department of Ophthalmology, The First People's Hospital of Xuzhou, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China; First School of Clinical Medicine of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Ya Liao
- Department of Ophthalmology, The First People's Hospital of Xuzhou, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Wei Wang
- Department of Community and Health Education, School of Public Health, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Yanmei Sun
- Department of Ophthalmology, The First People's Hospital of Xuzhou, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Qin Li
- Department of Ophthalmology, The First People's Hospital of Xuzhou, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Siqi Liu
- Department of Ophthalmology, The First People's Hospital of Xuzhou, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Jie Tang
- Department of Community and Health Education, School of Public Health, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Lin Li
- Department of Ophthalmology, The First People's Hospital of Xuzhou, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China; Medical Technology School of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Xiaojuan Wang
- Department of Ophthalmology, The First People's Hospital of Xuzhou, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China; First School of Clinical Medicine of Xuzhou Medical University, Xuzhou, Jiangsu, China; Suzhou Vocational Health College, Suzhou, Jiangsu, China.
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9
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Zhang J, Lu X, Cheng Z, Zou D, Shi W, Wang T. Alterations of conjunctival microbiota associated with orthokeratology lens wearing in myopic children. BMC Microbiol 2023; 23:397. [PMID: 38087200 PMCID: PMC10717905 DOI: 10.1186/s12866-023-03042-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 10/03/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND Orthokeratology (OK) lens wear increases the risk of bacterial infection, but little is known about the microbiota of the conjunctival sac in myopic children wearing OK lenses. This study aimed to investigate the changes of conjunctival microbiota in children after treatment with OK lenses using 16 S rDNA sequencing. METHODS Twenty-eight myopic children who had been continuously wearing OK lenses for 12 to 13 months were enrolled in this prospective study. Twenty-two gender- and age-matched myopic children who had not worn OK lenses or discontinued OK lens wear at least 1 year ago were recruited as controls. Conjunctival swabs from each participant were collected for exploration of the microbiota profiles, targeting the V3-V4 regions of the 16 S rRNA gene by MiSeq sequencing. The differences in the microbial community structure and diversity were also compared between groups. RESULTS The bacterial alpha diversity indices in the OK lens group were not different from those in the non-wearer group (P > 0.05, Wilcoxon test), while beta diversity examined using principle coordinate analysis of unweighted UniFrac divided the two groups into different clusters. Proteobacteria, Bacteroidetes, and Firmicutes were the abundant phyla in the conjunctival sac microbiota in both groups (P < 0.05, Mann-Whitney U test). Among children in the OK lens group, the Linear discriminant analysis Effect Size identified the compositional changes in OK lens-associated bacteria. Key functional genera such as Blautia, Parasutterella, and Muribaculum were enriched, whereas Brevundimonas, Acinetobacter, Proteus, and Agathobacter decreased significantly (P < 0.05, Mann-Whitney U test). Phylogenetic investigation of communities by reconstruction of unobserved states also showed altered bacterial metabolic pathways in OK lens-associated microbiota. Moreover, using receiver operating characteristic curves, Brevundimonas, Acinetobacter, Proteus, and Agathobacter alone (the area under the curve was all > 0.7500) or in combination (the area under the curve was 0.9058) were revealed to discriminate OK lens wearers from controls. CONCLUSIONS The relative abundance of the microbial community in the conjunctival sac of myopic children can alter after OK lens wear. Brevundimonas, Acinetobacter, Proteus, and Agathobacter may be candidate biomarkers to distinguish between OK lens wearers and non-wearers.
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Affiliation(s)
- Ju Zhang
- Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, China
- Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), 372 Jingsi Road, Jinan, 250021, China
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Qingdao, China
| | - Xiuhai Lu
- Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), 372 Jingsi Road, Jinan, 250021, China
| | - Zhiwei Cheng
- Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), 372 Jingsi Road, Jinan, 250021, China
| | - Dulei Zou
- Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), 372 Jingsi Road, Jinan, 250021, China
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Qingdao, China
- Medical College, Qingdao University, Qingdao, China
| | - Weiyun Shi
- Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), 372 Jingsi Road, Jinan, 250021, China.
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Qingdao, China.
| | - Ting Wang
- Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), 372 Jingsi Road, Jinan, 250021, China.
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Qingdao, China.
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Zhou X, Chen Z, Cho P. A snap-shot of orthokeratology lens rinsing habits: An online survey in a major eye hospital in Shanghai. Cont Lens Anterior Eye 2023; 46:102049. [PMID: 37633754 DOI: 10.1016/j.clae.2023.102049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 08/10/2023] [Accepted: 08/16/2023] [Indexed: 08/28/2023]
Abstract
PURPOSE A hospital-based survey to explore lens rinsing habits of orthokeratology (ortho-k) patients, including the solution used for rinsing. METHODS An anonymous survey, via an online questionnaire, was administered to ortho-k lens wearers or their parents when they attended Fudan University Eye and ENT Hospital for routine follow-up visits. Three major issues were investigated: basic demographics, lens rinsing solution used, and specific rinsing habits. Relationships between demographics and rinsing solution used and rinsing behaviours were explored. RESULTS Of the total of 541 online questionnaires delivered, 296 were completed and returned. The respondents were the person responsible for lens care, either the ortho-k users themselves, or their parents. The median age of the lens wearers was 12.0 years (range: 8-22 years), and the median period of ortho-k lens wear was 18.0 months (range: 1-109 months). The most common rinsing solutions reported were a particular brand of multidose preserved saline (28.4%), cooled boiled water (23.3%), and non-preserved multidose saline (16.2%). Overall, the main reason for choice of rinsing solution was recommendation of eye care practitioners (90.2%). The respondents with a longer lens wear history tended to use commercially available bottled water, drinking water, or cooled boiled water rather than non-preserved saline (unidose or multidose) (p ≤ 0.009) and were more likely to use the rinsing solution to soak their lenses (p = 0.009). Lens wearers who rinsed the lenses themselves tended to use tap water compared to those whose lenses were handled by parents (p = 0.040). CONCLUSION Inappropriate choice and usage of rinsing solution appeared to be a common issue among ortho-k lens wearers in Shanghai, China. The problem was more pronounced in long-term wearers and in those who performed rinsing themselves.
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Affiliation(s)
- Xueyi Zhou
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai 200031, China; NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Shanghai, 200031, China; Research Center of Ophthalmology and Optometry, Shanghai 200031, China; Engineering Research Center of Laser and Autostereoscopic 3D for Vision Care (20DZ2255000), Shanghai 200031, China
| | - Zhi Chen
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai 200031, China; NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Shanghai, 200031, China; Research Center of Ophthalmology and Optometry, Shanghai 200031, China; Engineering Research Center of Laser and Autostereoscopic 3D for Vision Care (20DZ2255000), Shanghai 200031, China.
| | - Pauline Cho
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai 200031, China
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11
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Zhang G, Jiang J, Qu C. Myopia prevention and control in children: a systematic review and network meta-analysis. Eye (Lond) 2023; 37:3461-3469. [PMID: 37106147 PMCID: PMC10630522 DOI: 10.1038/s41433-023-02534-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 03/29/2023] [Accepted: 04/05/2023] [Indexed: 04/29/2023] Open
Abstract
OBJECTIVES To analyse and compare the efficacy of different interventions for myopia prevention and control in children. METHODS We searched CNKI, VIP, Wan-Fang, CBM, Chinese Clinical Registry, PubMed, The Cochrane Library, Web of Science, Embase and ClinicalTrials.gov from inception to July 2022. We selected randomized controlled trials (RCTs) that included interventions to slow myopia progression in children. The main outcomes included mean annual change in axial length (AL) (millimetres/year) and in refraction (R) (dioptres/year). RESULTS A total of 80 RCTs (27103 eyes) were included. In comparison with control, orthokeratology (AL, -0.36 [-0.53, -0.20], P < 0.05; R, 0.56 [0.34, 0.77], P < 0.05), 1%Atropine (AL, -0.39 [-0.65, -0.13], P < 0.05; R, 0.54 [0.31, 0.77], P < 0.05), 0.01%Atropine + orthokeratology (AL, -0.47 [-0.80, -0.14], P < 0.05; R, 0.81 [0.43, 1.20], P < 0.05) could significantly slow the progression of myopia; in addition, progressive multi-focal spectacle lenses (PMSL) (0.42, [0.06, 0.79], P < 0.05), bifocal soft contact lenses (0.40, [0.03, 0.77], P < 0.05), 0.5%Atropine (0.67 [0.25, 1.10], P < 0.05), 0.1%Atropine (0.42 [0.15, 0.71], P < 0.05), 0.05%Atropine (0.57 [0.28, 0.86], P < 0.05), 0.01%Atropine (0.33 [0.15, 0.52], P < 0.05), 1%Atropine + bifocal spectacle lenses (BSL) (1.30 [0.54, 2.00], P < 0.05), 1%Atropine + PMSL (0.66 [0.23, 1.10], P < 0.05), 0.01%Atropine + single vision spectacle lenses (SVSL) (0.70 [0.23, 1.10], P < 0.05), 0.01%Atropine + orthokeratology (0.81 [0.43, 1.20], P < 0.05), BSL + Massage (0.85 [0.22, 1.50], P < 0.05), SVSL + Red light (0.59 [0.06, 0.79], P < 0.05) showed significant slowing effect on the increase in R. CONCLUSIONS This network meta-analysis suggests that the combined measures were most effective in AL and R, followed by Atropine.
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Affiliation(s)
- Guanghong Zhang
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, CN, 611731, China
- Department of Ophthalmology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, CN, 611731, China
- Sichuan Key Laboratory for Disease Gene Study, Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, CN, 611731, China
| | - Jun Jiang
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, CN, 611731, China
- Department of Ophthalmology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, CN, 611731, China
- Sichuan Key Laboratory for Disease Gene Study, Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, CN, 611731, China
| | - Chao Qu
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, CN, 611731, China.
- Department of Ophthalmology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, CN, 611731, China.
- Sichuan Key Laboratory for Disease Gene Study, Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, CN, 611731, China.
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12
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Kam KW, Chee ASH, Tang RCY, Zhang Y, Zhang XJ, Wang YM, Li SL, Chen LJ, Young AL, Tham CC, Pang CP, Yam JC. Differential compensatory role of internal astigmatism in school children and adults: The Hong Kong Children Eye Study. Eye (Lond) 2023; 37:1107-1113. [PMID: 35473966 PMCID: PMC10102244 DOI: 10.1038/s41433-022-02072-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 03/30/2022] [Accepted: 04/08/2022] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND To compare the prevalence of refractive (RA), corneal (CA), and internal astigmatism (IA) in Hong Kong children and adults and evaluate the role of IA in compensating for total astigmatism and its relations to myopic traits. METHODS The Hong Kong Children Eye Study is a population-based cross-sectional study. Totally 3704 school children (mean age 7.5 ± 1.0 years) and 5577 adults (mean age 41.1 ± 7.5 years), who were their parents, were recruited. Cycloplegic and non-cycloplegic refractive cylinders were obtained from children and adults, respectively. Spearman correlation was applied to detect associations between astigmatism, ocular biometrics, refraction, and lens power. Astigmatism compensation factor (CF) was derived from the power vector analysis J0 and J45. RESULTS The prevalence of RA (≤-1.0 D), CA (≥+1.0 D) and IA (≥+1.0 D) was 21.9%, 63.9%, and 9.9% in children, and 30.9%, 39.5%, and 23.7% in adults respectively. The mean RA, CA and IA values in children and adults were -0.69 ± 0.66 D, +1.14 ± 0.61 D, +0.62 ± 0.32 D, and -0.80 ± 0.74 D, +0.97 ± 0.69 D, and +0.76 ± 0.43 D, respectively. In adults and children, IA was negatively correlated with axial length (p < 0.0001), but positively correlated with spherical values and equivalent (p < 0.0001), suggesting an association of astigmatism with myopic traits. A greater proportion of children exhibited compensation by IA than adults in J0 (86.6% vs. 66.0%, p < 0.0001) and J45 components (55.5% vs. 41.7%, p < 0.0001). CONCLUSIONS Chinese children in Hong Kong exhibit a higher prevalence of RA and CA than in other cities. Children displayed a greater compensation by IA than adults, suggesting an age-related attenuation of IA compensation. IA is associated with myopic traits.
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Affiliation(s)
- Ka Wai Kam
- Department of Ophthalmology & Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China
- Department of Ophthalmology & Visual Sciences, Prince of Wales Hospital, Hong Kong, China
| | - Arnold Shau Hei Chee
- Department of Ophthalmology & Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China
- Department of Ophthalmology & Visual Sciences, Prince of Wales Hospital, Hong Kong, China
| | - Rex Chin Yung Tang
- Department of Ophthalmology & Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Yuzhou Zhang
- Department of Ophthalmology & Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Xiu Juan Zhang
- Department of Ophthalmology & Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Yu Meng Wang
- Department of Ophthalmology & Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Sophia Ling Li
- Department of Ophthalmology & Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China
- Department of Ophthalmology & Visual Sciences, Prince of Wales Hospital, Hong Kong, China
| | - Li Jia Chen
- Department of Ophthalmology & Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China
- Department of Ophthalmology & Visual Sciences, Prince of Wales Hospital, Hong Kong, China
- Hong Kong Hub of Paediatric Excellence, The Chinese University of Hong Kong, Hong Kong, China
| | - Alvin L Young
- Department of Ophthalmology & Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China
- Department of Ophthalmology & Visual Sciences, Prince of Wales Hospital, Hong Kong, China
| | - Clement C Tham
- Department of Ophthalmology & Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China
- Department of Ophthalmology & Visual Sciences, Prince of Wales Hospital, Hong Kong, China
- Hong Kong Hub of Paediatric Excellence, The Chinese University of Hong Kong, Hong Kong, China
- Hong Kong Eye Hospital, Hong Kong, China
- Department of Ophthalmology, Hong Kong Children's Hospital, Hong Kong, China
| | - Chi Pui Pang
- Department of Ophthalmology & Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China
- Hong Kong Hub of Paediatric Excellence, The Chinese University of Hong Kong, Hong Kong, China
| | - Jason C Yam
- Department of Ophthalmology & Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China.
- Department of Ophthalmology & Visual Sciences, Prince of Wales Hospital, Hong Kong, China.
- Hong Kong Hub of Paediatric Excellence, The Chinese University of Hong Kong, Hong Kong, China.
- Hong Kong Eye Hospital, Hong Kong, China.
- Department of Ophthalmology, Hong Kong Children's Hospital, Hong Kong, China.
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Aschauer J, Klimek M, Donner R, Lammer J, Roberts P, Schmidinger G. Akanthamöbenkeratitiden in Jugendlichen mit Orthokeratologielinsen. SPEKTRUM DER AUGENHEILKUNDE 2023. [DOI: 10.1007/s00717-023-00536-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Zusammenfassung
Hintergrund
Durch die rasant steigende Prävalenz der Myopie kommen zunehmend progressionshemmende Verfahren zum Einsatz. Auch die Orthokeratologie, basierend auf dem Ansatz des peripheren Defokus, erlebt eine Renaissance. Die gefährlichste Nebenwirkung der Orthokeratologie ist die mikrobielle Keratitis, unter ihnen eine Infektion mit Akanthamöben, welche oft spät diagnostiziert wird und potenziell visusbedrohende Verläufe nehmen kann.
Material und Methode
Diese Fallserie beschreibt die Diagnosefindung und den Behandlungsverlauf der Akanthamöbenkeratitis bei jugendlichen Patient*innen mit Orthokeratologielinsen, welche an der Spezialambulanz für Hornhauterkrankungen der Universitätsklinik für Augenheilkunde und Optometrie an der Medizinischen Universität Wien im Zeitraum eines Jahres betreut wurden.
Resultate
Vier Fälle von orthokeratologieassoziierten Akanthamöbenkeratitiden wurden mittels kornealer Konfokalmikroskopie und mikrobiologischer Verfahren zwischen August 2021 und August 2022 diagnostiziert. Die intensive Stufentherapie umfasste ein hochdosiertes, topisches Biguanid in Kombination mit einem Diamidinderivat, welches in der ersten Therapiephase mit antibakteriellen und antifungalen Augentropfen kombiniert wurde. Der Therapieverlauf und -erfolg wurde mittels der kornealen Konfokalmikroskopie beurteilt, und entsprechend angepasst.
Schlussfolgerung
Die Akanthamöbenkeratitis ist ein ernst zu nehmendes Erkrankungsbild im Zusammenhang mit Orthokeratologielinsen. Im Hinblick auf das Alter der Zielgruppe dieser myopieprogressionshemmenden Therapie sollte, neben sorgfältiger Patientenselektion, auf eine detaillierte Schulung der Kontaktlinsenträger in der Handhabung der Linsen sowie auf ein erhöhtes Bewusstsein für Zeichen einer frühen Infektion besonderes Augenmerk gelegt werden. Da alternative Möglichkeiten zur Myopieprophylaxe bestehen, müssen PatentInnen auf das Risiko der jeweiligen Methode hingewiesen werden.
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Kam KW, Rao SK, Young AL. The diagnostic dilemma of fungal keratitis. Eye (Lond) 2023; 37:386-387. [PMID: 35963942 PMCID: PMC9905469 DOI: 10.1038/s41433-022-02202-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 07/29/2022] [Accepted: 08/04/2022] [Indexed: 11/08/2022] Open
Affiliation(s)
- Ka Wai Kam
- Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
- Department of Ophthalmology and Visual Sciences, Prince of Wales Hospital, Hong Kong SAR, China
| | | | - Alvin L Young
- Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China.
- Department of Ophthalmology and Visual Sciences, Prince of Wales Hospital, Hong Kong SAR, China.
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Zhang J, Zou H. Artificial intelligence technology for myopia challenges: A review. Front Cell Dev Biol 2023; 11:1124005. [PMID: 36733459 PMCID: PMC9887165 DOI: 10.3389/fcell.2023.1124005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 01/10/2023] [Indexed: 01/19/2023] Open
Abstract
Myopia is a significant global health concern and affects human visual function, resulting in blurred vision at a distance. There are still many unsolved challenges in this field that require the help of new technologies. Currently, artificial intelligence (AI) technology is dominating medical image and data analysis and has been introduced to address challenges in the clinical practice of many ocular diseases. AI research in myopia is still in its early stages. Understanding the strengths and limitations of each AI method in specific tasks of myopia could be of great value and might help us to choose appropriate approaches for different tasks. This article reviews and elaborates on the technical details of AI methods applied for myopia risk prediction, screening and diagnosis, pathogenesis, and treatment.
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Affiliation(s)
- Juzhao Zhang
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Haidong Zou
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,Shanghai Eye Diseases Prevention and Treatment Center, Shanghai Eye Hospital, Shanghai, China,National Clinical Research Center for Eye Diseases, Shanghai, China,Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, China,*Correspondence: Haidong Zou,
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Hui W, Xiao-feng H, Song-guo L, Jing-jing W, Xuan H, Yong T. Application of orthokeratology on myopia control and its effect on ocular surface and meibomian gland function in Chinese myopic adolescents. Front Med (Lausanne) 2022; 9:979334. [PMID: 36569150 PMCID: PMC9772008 DOI: 10.3389/fmed.2022.979334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 11/14/2022] [Indexed: 12/12/2022] Open
Abstract
Purpose This study aimed to investigate the influence of orthokeratology (OK) on myopia control and ocular surface and meibomian gland function in myopic adolescents. Methods A prospective study was conducted over a 12-month period. The subjects were classified into two groups, namely, the OK lens group and the frame glasses control group. Axial length, corneal curvature, ocular surface, and meibomian gland parameters were measured at baseline, 1, 3, 6, and 12 months after wearing OK lenses. Results The axial length growth rate in the OK group was significantly slower than in the control group (P < 0.01). The naked eye vision and the ocular surface disease index (OSDI) scores recorded 1, 3, 6, and 12 months after wearing OK lenses were significantly higher than the scores recorded before wearing OK lenses. There was no significant difference in other ocular parameters at each follow-up time point compared with pre-wearing (P > 0.05). After using the OK lens for 6 months, the OSDI score and corneal fluorescein staining (CFS) score increased significantly (P < 0.001), but there were no significant differences in other parameters among the groups. No infectious keratitis occurred during the study. Conclusion These results provide evidence that the use of OK lenses can control the axial growth and progress rate of myopia compared with frame glasses. During the 12-month follow-up, although wearing OK lenses may have aggravated dry eye symptoms, each patient's ocular surface and meibomian gland function did not change significantly, indicating that the use of OK lenses is a relatively safe modality for the control of myopia in adolescents.
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Affiliation(s)
- Wang Hui
- Department of Ophthalmology, Beijing Chaoyang Hospital, The Third Clinical Medical College of Capital Medical University, Beijing, China
| | - Hu Xiao-feng
- Department of Ophthalmology, Beijing Chaoyang Hospital, The Third Clinical Medical College of Capital Medical University, Beijing, China
| | - Li Song-guo
- Peking University Shougang Hospital, Beijing, China
| | - Wang Jing-jing
- Beijing Tongzhou Maternity and Child Health Care Hospital, Beijing, China
| | - Huang Xuan
- Department of Ophthalmology, Beijing Chaoyang Hospital, The Third Clinical Medical College of Capital Medical University, Beijing, China,*Correspondence: Huang Xuan,
| | - Tao Yong
- Department of Ophthalmology, Beijing Chaoyang Hospital, The Third Clinical Medical College of Capital Medical University, Beijing, China
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McCoy C, Patel S, Thulasi P. Update on the Management of Acanthamoeba Keratitis. CURRENT OPHTHALMOLOGY REPORTS 2022. [DOI: 10.1007/s40135-022-00296-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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18
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Sanap SN, Agrawal S, Biswas A, Verma SK, Kumar M, Chaudhary AD, Rajput R, Bhatta RS. Simultaneous assessment of ciprofloxacin and dexamethasone in ocular tear fluid by LC-MS/MS: Application to a pharmacokinetic study in rabbits. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2022. [DOI: 10.1016/j.cjac.2022.100197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Jin X, Jin H, Shi Y, Zhang N, Zhang H. Clinical Observation of Corneal Endothelial Plaques With Fungal and Bacterial Keratitis by Anterior Segment Optical Coherence Tomography and In Vivo Confocal Microscopy. Cornea 2022; 41:1426-1432. [PMID: 34759198 PMCID: PMC9555760 DOI: 10.1097/ico.0000000000002912] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/02/2021] [Accepted: 09/13/2021] [Indexed: 11/25/2022]
Abstract
PURPOSE Endothelial plaque is an important sign of fungal keratitis and is related to diagnosis, surgical indications, and prognosis. However, bacterial keratitis sometimes involves fibrin formation on the back corneal surface, similar to endothelial plaques. Because corneal infiltration interferes with precise observation of the posterior corneal plaque, distinguishing pathogens with a slitlamp is difficult. We hope to assist clinicians in early diagnosis and timely treatment by observing the connection state of endothelial plaques and the corneal endothelium through anterior segment optical coherence tomography (AS-OCT) and the different forms of endothelial plaques in infectious keratopathy through in vivo confocal microscopy (IVCM). METHODS We analyzed 52 patients in the Eye Hospital of the First Affiliated Hospital of Harbin Medical University who were clearly diagnosed with fungal or bacterial keratitis with endothelial plaques. All patients underwent AS-OCT and IVCM on admission. RESULTS According to the smear, IVCM, or fungal and bacterial culture results, the patients were diagnosed with fungal (28 patients) or bacterial keratitis (24 patients). AS-OCT in 25 patients diagnosed with fungal keratitis revealed that the corneal endothelium-endothelial plaque boundary was unclear and wavy, and 24 patients had unclear cell boundaries and a large number of compactly distributed inflammatory cells in the endothelial layer according to IVCM. AS-OCT in 23 patients diagnosed with bacterial keratitis revealed clear corneal endothelium-endothelial plaque boundaries, and insufficient endothelial cell boundaries with a large number of visible and scattered inflammatory cell structures were observed through IVCM in 22 patients. CONCLUSIONS Corneal endothelial plaque detection by AS-OCT and IVCM can be used for early diagnosis of infectious keratitis.
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Affiliation(s)
- Xin Jin
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Key Laboratory of Basic and Clinical Research of Heilongjiang Province, Harbin, Heilongjiang Province, People's Republic of China; and
| | - Hao Jin
- Departments of Orthopaedics, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, People's Republic of China
| | - Yan Shi
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Key Laboratory of Basic and Clinical Research of Heilongjiang Province, Harbin, Heilongjiang Province, People's Republic of China; and
| | - Nan Zhang
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Key Laboratory of Basic and Clinical Research of Heilongjiang Province, Harbin, Heilongjiang Province, People's Republic of China; and
| | - Hong Zhang
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Key Laboratory of Basic and Clinical Research of Heilongjiang Province, Harbin, Heilongjiang Province, People's Republic of China; and
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Sanap SN, Bisen AC, Agrawal S, Biswas A, Mishra A, Kumar M, Verma SK, Chaudhary AD, Bhatta RS. Liquid chromatography‐tandem mass spectrometry method for simultaneous assessment of ofloxacin and dexamethasone in ocular biofluids: Application to ocular pharmacokinetic studies. SEPARATION SCIENCE PLUS 2022. [DOI: 10.1002/sscp.202200098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Sachin Nashik Sanap
- Pharmaceutics and Pharmacokinetic Division CSIR‐Central Drug Research Institute Lucknow India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
| | - Amol Chattrapati Bisen
- Pharmaceutics and Pharmacokinetic Division CSIR‐Central Drug Research Institute Lucknow India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
| | - Sristi Agrawal
- Pharmaceutics and Pharmacokinetic Division CSIR‐Central Drug Research Institute Lucknow India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
| | - Arpon Biswas
- Pharmaceutics and Pharmacokinetic Division CSIR‐Central Drug Research Institute Lucknow India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
| | - Anjali Mishra
- Pharmaceutics and Pharmacokinetic Division CSIR‐Central Drug Research Institute Lucknow India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
| | - Mukesh Kumar
- Pharmaceutics and Pharmacokinetic Division CSIR‐Central Drug Research Institute Lucknow India
- Jawaharlal Nehru University New Delhi India
| | - Sarvesh Kumar Verma
- Pharmaceutics and Pharmacokinetic Division CSIR‐Central Drug Research Institute Lucknow India
- Jawaharlal Nehru University New Delhi India
| | - Abhijit Deb Chaudhary
- Pharmaceutics and Pharmacokinetic Division CSIR‐Central Drug Research Institute Lucknow India
- Jawaharlal Nehru University New Delhi India
| | - Rabi Sankar Bhatta
- Pharmaceutics and Pharmacokinetic Division CSIR‐Central Drug Research Institute Lucknow India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
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21
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López García Rosuero M, Arranz Bombin A, Romero R, Hornero R, Martin R. Clinical tool to measure fluorescein patterns in orthokeratology. PeerJ 2022; 10:e14068. [PMID: 36172500 PMCID: PMC9512001 DOI: 10.7717/peerj.14068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 08/26/2022] [Indexed: 01/20/2023] Open
Abstract
Background Orthokeratology (ortho-k) is an overnight clinical contact lens wear technique to correct myopia and to reduce myopia progression wearing reverse-geometry rigid gas-permeable lenses. The lens fitting procedure in clinical practice usually requires subjective assessment of fluorescein pattern (fluorescein "bull's eye" pattern). The aim of this study was to develop a novel tool for fluorescein pattern measurements to reduce subjective practitioner dependency, especially in inexperienced practitioners, in ortho-k practice. Methods A new MATLAB customized algorithm to measure the horizontal width of the four main zones of ortho-k fluorescein patterns (central bearing, tear reservoir, mid-peripheral bearing and edge lift) was designed. The algorithm was tested on a small image database consisting of 26 ortho-k fluorescein pattern images of 13 volunteers fitted with reverse geometry lenses (Seefree, Conoptica-Hecht Contactlinsen). The agreement between two independent observers and the ImageJ measurements was determined. Results The new clinical tool provided similar measurements to ImageJ software for the central bearing (4.20 ± 0.74 and 4.27 ± 0.69 mm; P = 0.21), tear reservoir (1.69 ± 0.41 and 1.69 ± 0.45 mm; P = 0.69), mid-peripheral bearing (1.17 ± 0.11 and 1.13 ± 0.10 mm; P < 0.01) and edge lift (0.48 ± 0.06 and 0.48 ± 0.06 mm; P = 0.81) zones. Good agreement between the software (limits of agreement lower than ±0.55 mm) and inter-observer measurements (limits of agreement lower than ±0.66 mm) was found. Conclusions The proposed clinical tool for semiautomatic fluorescein pattern measurements in ortho-k could help to reduce practitioner dependency in fluorescein pattern assessment with future potential to introduce prediction algorithms or artificial intelligence methods in myopia control management.
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Affiliation(s)
| | | | - Roberto Romero
- Biomedical Engineering Group, Universidad de Valladolid, Valladolid, Spain
| | - Roberto Hornero
- Biomedical Engineering Group, Universidad de Valladolid, Valladolid, Spain
| | - Raul Martin
- School of Optometry, Universidad de Valladolid, Valladolid, Spain,Biomedical Engineering Group, Universidad de Valladolid, Valladolid, Spain,IOBA Eye Institute, Universidad de Valladolid, Valladolid, Spain
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22
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Chuang YH, Wang YC, Yen CY, Lin CC, Chen CC. Case Series: Unusual Presentation of Acanthamoeba Coinfection in the Cornea. Optom Vis Sci 2022; 99:605-611. [PMID: 35413026 PMCID: PMC9296050 DOI: 10.1097/opx.0000000000001906] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
SIGNIFICANCE The cases illustrate Acanthamoeba coinfection with Pseudomonas aeruginosa or microsporidia in the cornea. PURPOSE This case series aimed to alert clinicians toward considering Acanthamoeba coinfection in the cornea when unusual presentation such as perineuritis or epitheliitis was observed in clinical images. Increased suspicion of Acanthamoeba coinfection may facilitate early diagnosis and prompt management, eventually leading to good vision outcomes. CASE SERIES An 11-year-old boy wearing orthokeratology lens for myopia control complained of pain in the right eye for 1 week. A paracentral corneal ulcer with perineuritis was observed. Culture from corneal tissue revealed P. aeruginosa , and an in vivo confocal microscopic examination showed highly reflective and oval-shaped structures indicating Acanthamoeba coinfection. Corneal lesions gradually improved under 0.02% polyhexamethylene biguanidine, 0.1% propamidine isethionate, and 0.3% ciprofloxacin. At 1 year, the final best-corrected visual acuity was 20/25 with residual paracentral corneal opacity. Another 20-year-old man complained of pain in the right eye for 2 weeks. Multiple raised corneal lesions associated with epitheliitis were found. Moreover, 1% acid-fast staining showed oval-shaped spores, and microsporidia infection was inferred. In addition, polymerase chain reaction results obtained after subjecting the patient to corneal debridement revealed positivity for Acanthamoeba . Polyhexamethylene biguanidine (0.02%) and 0.5% moxifloxacin were prescribed, and the lesions subsided. At a 2-year follow-up, the final best-corrected visual acuity was 20/25. CONCLUSIONS Perineuritis in orthokeratology lens wearers and epitheliitis without any predisposing factor are unusual presentations of Acanthamoeba coinfection in the cornea. These corneal findings should arouse the suspicion of coinfection and enable the clinicians to conduct the appropriate workup and initiate adequate treatment. This case series demonstrated that early diagnosis and prompt treatment can improve visual prognosis.
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Affiliation(s)
- Yu-Hsun Chuang
- Department of Ophthalmology, Taipei City Hospital, Renai Branch, Taipei, Taiwan
| | - Ying-Ching Wang
- Department of Ophthalmology, Taipei City Hospital, Renai Branch, Taipei, Taiwan
| | - Chu-Yu Yen
- Department of Ophthalmology, Taipei City Hospital, Renai Branch, Taipei, Taiwan
| | - Chih-Chung Lin
- Department of Ophthalmology, Taipei City Hospital, Renai Branch, Taipei, Taiwan
| | - Chun-Chen Chen
- Department of Ophthalmology, Taipei City Hospital, Renai Branch, Taipei, Taiwan
- Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
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23
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Dong N, Jiang N, Zhao J, Zhao G, Wang T. Sensitive and Enzyme-Free Pathogenic Bacteria Detection Through Self-Circulation of Molecular Beacon. Appl Biochem Biotechnol 2022; 194:3668-3676. [PMID: 35486346 DOI: 10.1007/s12010-022-03948-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/20/2022] [Indexed: 11/02/2022]
Abstract
This research exhibits the design of a feasible, enzyme-free and sensitive fluorescent sensing assay for the detection of Staphylococcus aureus (S. aureus), using self-circulation of molecular beacons. With protein A on S. aureus as identifying target, the capture probe binds on the surface of S. aureus based on interaction between its aptamer section and protein A. Recognition of protein A by aptamer section in capture probe leads to allosterism of capture probe, exposing initiator section to activate the following self-circulation. After multiple circulation-based signal amplification, the method exhibits a favorable detection sensitivity and shows a promising prospect for the keratitis-related pathogenic bacteria detection. The highlights of the sensing assay are as follows: (i) capture probe is designed with aptamer section which endows the method a high selectivity; (ii) signal of bacteria is converted to nucleic acid signal after recognition of target bacteria by capture probe; and (iii) high sensitivity of method is derived from the self-circulation process. Therefore, we believe that the strategy can provide a useful platform for target bacteria detection and thus contribute to the diagnosis of infectious diseases.
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Affiliation(s)
- Nannan Dong
- Department of Ophthalmology, Zhuji Affiliated Hospital of Shaoxing University, No .9 Jianmin Road Taozhu Street, Zhuji City, 311800, Zhejiang Province, China.
| | - Ning Jiang
- Department of Ophthalmology, Shengjing Hospital of China Medical University, Shenyang City, 110004, Liaoning Province, China
| | - Jiawei Zhao
- Department of Ophthalmology, Zhuji Affiliated Hospital of Shaoxing University, No .9 Jianmin Road Taozhu Street, Zhuji City, 311800, Zhejiang Province, China
| | - Guangming Zhao
- Department of Ophthalmology, Zhuji Affiliated Hospital of Shaoxing University, No .9 Jianmin Road Taozhu Street, Zhuji City, 311800, Zhejiang Province, China
| | - Tiewei Wang
- Department of Ophthalmology, Zhuji Affiliated Hospital of Shaoxing University, No .9 Jianmin Road Taozhu Street, Zhuji City, 311800, Zhejiang Province, China
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Hsu CC, Kuo YS, Lin PY, Chen KH. Overnight orthokeratology-associated Acanthamoeba keratitis at a tertiary referral hospital in Taiwan: A retrospective case-control study. J Chin Med Assoc 2022; 85:381-387. [PMID: 35259136 DOI: 10.1097/jcma.0000000000000676] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND Acanthamoeba keratitis (AK) is a vision-threatening disease, usually associated with contact lens (CL) wear. As overnight orthokeratology (OOK) is increasingly used to control myopia, we have found incidence of OOK-associated AK is increasing. This study aimed to investigate the clinical presentation and visual outcomes of OOK-associated AK. METHODS Demographic characteristics, clinical features, and treatment outcomes were collected by reviewing the medical charts of CL-associated AK patients (n = 35) diagnosed at Taipei Veterans General Hospital from 2001 to 2016. Cases were OOK-associated AK patients (n = 13), and controls were all other CL-associated AK patients (n = 22). Student t tests and chi-square tests were used to compare cases and controls. Linear regression analyses were used to identify factors associated with the final visual outcome in CL-associated AK. RESULTS OOK-associated AK accounted for half of all CL-associated AK after 2010. OOK-associated AK patients and other CL-associated patients had similar best-corrected logarithm of the minimum angle of resolution visual acuity (BCLVA) before treatment (1.10 ± 0.75 vs 1.13 ± 0.76, p = 0.893), but OOK-associated AK patients were younger (17.15 ± 3.21 vs 26.36 ± 12.81 years, p = 0.004), had less severe disease (ring infiltration, 0% vs 31.82%, p = 0.023), and had better post-treatment BCLVA (0.06 ± 0.15 vs 0.51 ± 0.95, p = 0.041). Multiple linear regression analysis showed that better BCLVA after treatment in CL-associated AK was associated with initial presentation without ring infiltration (p = 0.002) but not with OOK use itself (p = 0.793). Twenty-six of 35 CL-associated AK patients had final BCLVA equal to or better than 0.10 (Snellen visual acuity of 6/7.5). All 13 OOK-associated AK cases were treated with chlorhexidine 0.02% ± voriconazole 1% ± oral voriconazole, and 12 of these patients had final BCLVA equal to or better than 0.10. CONCLUSION Most CL-associated AK patients had satisfactory visual outcomes. Half of AK at our hospital is OOK-associated since 2010. Early diagnosis and correct treatment may be the reason why OOK-associated AK patients had better vision prognosis.
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Affiliation(s)
- Chih-Chien Hsu
- Faculty of Medicine, National Yang Ming Chiao Tung University School of Medicine, Taipei, Taiwan, ROC
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Yih-Shiuan Kuo
- Faculty of Medicine, National Yang Ming Chiao Tung University School of Medicine, Taipei, Taiwan, ROC
| | - Pei-Yu Lin
- Faculty of Medicine, National Yang Ming Chiao Tung University School of Medicine, Taipei, Taiwan, ROC
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Ko-Hua Chen
- Faculty of Medicine, National Yang Ming Chiao Tung University School of Medicine, Taipei, Taiwan, ROC
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
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Abstract
ABSTRACT A number of studies regarding the effect of orthokeratology (OK) on myopia progression have been published and shown that it can slow myopia progression in school-aged children. Recently, OK has been considered to be one of the most effective optical treatments for myopia control. This article reviewed the peer-reviewed literature on the efficacy of OK for myopia control. Although it cannot halt myopia progression completely, the inhibitory effect on axial elongation for 2 years has been reported to be from 32% to 63%, as compared with single-vision spectacles and contact lenses. In addition, the efficacy and acceptable safety have been confirmed even in several long-term studies up to 10 years. However, the possibility of a rebound phenomenon in myopia progression after OK discontinuation remains unknown. It is also unclear how long the treatment should be continued to attain the maximum benefit in each patient. In the near future, further research including assessment of rebound phenomenon should be conducted with longer follow-up periods in more diverse populations.
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Affiliation(s)
- Takahiro Hiraoka
- From the Department of Ophthalmology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
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26
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Jakobsen TM, Møller F. Control of myopia using orthokeratology lenses in Scandinavian children aged 6 to 12 years. Eighteen-month data from the Danish Randomized Study: Clinical study Of Near-sightedness; TReatment with Orthokeratology Lenses (CONTROL study). Acta Ophthalmol 2022; 100:175-182. [PMID: 34233094 PMCID: PMC9292027 DOI: 10.1111/aos.14911] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 05/01/2021] [Indexed: 12/17/2022]
Abstract
Purpose To investigate the efficacy of myopia control defined by axial elongation and safety of orthokeratology lenses (OKL) in a Scandinavian (Danish) population. Methods Sixty Danish children aged 6–12 years with myopia ranging from 0.5 to 4.75 dioptres (D) spherical component and refractive astigmatism ≤2.5 D in both eyes were randomly assigned to either OKL or single‐vision spectacles (SVS). Study duration was 18 months. Outcome measures were axial length (AL) measured with Lenstar LS900 (Haag‐Streit, Koeniz, Switzerland) and adverse events graded with Efron Grading Scale for Contact Lens Complications. Results Nineteen participants completed the 18‐month follow‐up in the OKL group and 28 in the SVS group. The average AL elongation in the OKL group was 0.24 mm smaller as compared to the SVS group (95% confidence interval 0.12–0.36, mixed model adjusted for baseline sex, age and AL). There were no fast progressors (>0.75 D/year) in the OKL group during the follow‐up period in contrast to 22% in the SVS group. No treatment‐requiring or vision‐threatening adverse events were observed. Conclusion Orthokeratology lenses reduced AL elongation in myopic Scandinavian children by 59%, with no treatment‐requiring or vision‐threatening adverse events. The results align with outcomes of previous clinical trials.
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Affiliation(s)
- Trine Moldrup Jakobsen
- Department of Ophthalmology University Hospital of Southern Denmark Vejle Hospital Vejle Denmark
| | - Flemming Møller
- Department of Ophthalmology University Hospital of Southern Denmark Vejle Hospital Vejle Denmark
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27
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Yu H, Yuan Y, Wu W, Zeng W, Tong L, Zhang Y, Feng Y. Orthokeratology Lens Wear for 2 Years in Children Did Not Alter Tear Film Lipid Thickness by Non-Invasive Interferometry. Front Med (Lausanne) 2022; 9:821106. [PMID: 35223920 PMCID: PMC8866645 DOI: 10.3389/fmed.2022.821106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 01/10/2022] [Indexed: 11/20/2022] Open
Abstract
Purpose Previous studies suggest that overnight orthokeratology (OOK) may be detrimental to tear function. We aimed to investigate the effect of OOK on lipid layer thickness (LLT), blink pattern, and meibomian gland and elucidate the relationship of these variables. Methods Thirty-seven participants who wore OOK lenses every night for at least 2 years and twenty-four healthy non-contact lens wearers (controls) were enrolled in this retrospective study. LipiView interferometry, blink pattern analysis, the ocular surface status, and morphology and function of the meibomian gland were determined. Results The OOK group and healthy controls had similar LLT, blink patterns, ocular surface status, and the function of the meibomian gland. OOK participants demonstrated higher meiboscore in the lower eyelids (p < 0.05) but not in the upper eyelids. Within the OOK group, LLT was significantly impacted by the partial blink rate (p < 0.05) and the total score of the upper meibomian gland (p = 0.10). Conclusions Wearing OOK for 2 or more years increased lower eyelid meibomian gland dropout but did not have a reduction of LLT.
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Affiliation(s)
- Haozhe Yu
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China
| | - Yifei Yuan
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China
| | - Wenyu Wu
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China
| | - Weizhen Zeng
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China
| | - Louis Tong
- Singapore Eye Research Institute, Singapore, Singapore
- Department of Cornea and External Diseases, Singapore National Eye Centre, Singapore, Singapore
- Department of Ophthalmology, Duke-NUS Medical School, Singapore, Singapore
| | - Yu Zhang
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China
- *Correspondence: Yu Zhang
| | - Yun Feng
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China
- Yun Feng
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28
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Bian Z, Xu X, Chen D, Ni H. Assessment of patient compliance in orthokeratology and analysis of influencing factors: a cross-sectional study. BMC Ophthalmol 2021; 21:396. [PMID: 34784895 PMCID: PMC8594163 DOI: 10.1186/s12886-021-02148-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 10/21/2021] [Indexed: 11/20/2022] Open
Abstract
Background Patient non-compliance, that is, failure to perform standard wear and care orthokeratology (ortho-k) lenses procedures, has been shown to be a major risk factor for contact lens-associated complications. Therefore, this study aimed to investigate the compliance with wear and care behaviors of ortho-k patients and analyze its influencing factors. Methods Patients who were successfully prescribed ortho-k lenses at the Eye Center of the Second Affiliated Hospital of Zhejiang University School of Medicine (ECSAHZU) were enrolled in the study. Patient compliance with wear and care behaviors was examined through a questionnaire. Results This study assessed 238 subjects. The subjects’ ages ranged from 7 to 25 (mean ± SD, 11.3 ± 2.5) years. The compliance with wear and care behaviors was 19.7%, and the subjects’ self-assessment compliance was 96.6%. The compliance rate of subjects wearing lenses for less than 1 year was higher than that of subjects wearing lenses for more than 1 year (p < 0.001). In the first year, the compliance rates of wearing experiences for less than 1 month, 1 month, 3 months, 6 months, and more than 6 months were 45, 29, 21.6, 20, and 27.6%, respectively, and there were no statistically significant differences in compliance among these periods (p = 0.314). No correlation was identified between compliance and age (r = − 0.061, p = 0.527) or sex (r = 0.114, p = 0. 751). There was no correlation between compliance and lens care operator (r = − 0.626, p = 0.151). Conclusions The compliance of ortho-k patients was poor. After wearing ortho-k lenses for more than 1 year, compliance with wear and care behaviors declined. In clinical practice, measures should be taken to solve these problems and improve the safety of wearing ortho-k lenses. Supplementary Information The online version contains supplementary material available at 10.1186/s12886-021-02148-2.
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Affiliation(s)
- Zhiwen Bian
- The Second Affiliated Hospital, Zhejiang University School of Medicine, Eye Center, 88 Jiefang Road, Shangcheng District, Hangzhou, 310009, Zhejiang, China
| | - Xindi Xu
- The Second Affiliated Hospital, Zhejiang University School of Medicine, Eye Center, 88 Jiefang Road, Shangcheng District, Hangzhou, 310009, Zhejiang, China
| | - Duya Chen
- The Second Affiliated Hospital, Zhejiang University School of Medicine, Eye Center, 88 Jiefang Road, Shangcheng District, Hangzhou, 310009, Zhejiang, China
| | - Hailong Ni
- The Second Affiliated Hospital, Zhejiang University School of Medicine, Eye Center, 88 Jiefang Road, Shangcheng District, Hangzhou, 310009, Zhejiang, China.
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Efficacy, predictability and safety of long-term orthokeratology: An 18-year follow-up study. Cont Lens Anterior Eye 2021; 45:101530. [PMID: 34785154 DOI: 10.1016/j.clae.2021.101530] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 10/13/2021] [Accepted: 10/20/2021] [Indexed: 12/31/2022]
Abstract
PURPOSE To determine the efficacy, predictability and safety of long-term orthokeratology in children and adults. METHODS Case histories of 300 orthokeratology patients (596 eyes; 34.3% children; 65.7% adults) were reviewed to collect information on demographics, corneal and refractive parameters, visual acuity, residual refraction and adverse effects. Predictability was defined as the percentage of eyes with absolute values of spherical equivalent refraction ≤ 0.5 D of emmetropia, and efficacy as the ratio of post-orthokeratology uncorrected and pre-orthokeratology corrected distance visual acuity. RESULTS Median duration of treatment was 37 and 28.5 months in children and adults, respectively (p = 0.022). During the first year, 17.2% of children and 33% of adults ceased lens wear (p < 0.001). For children and adults with a successful ortho-k treatment of at least one year of duration, 88.7% and 95.9% of eyes had a predictable refractive outcome, and efficacy was 0.98 and 1.01, respectively. A larger percentage of children (65.7%) were free of complications than of adults (55.4%) (p = 0.015). One event of microbial keratitis occurred in adults (6.8 cases per 10,000 patient-years) and none in children. Corneal staining was the most frequent complication, with a higher incidence in adults (p = 0.007) and in higher myopia (p < 0.001), higher anterior corneal eccentricity (p = 0.019) and smaller anterior horizontal radius (p = 0.027). CONCLUSION Orthokeratology is a safe and predictable long-term procedure in children and adults, with a low incidence of serious adverse effects. Corneal staining episodes are relatively frequent throughout the course of the treatment, thus highlighting the relevance of education of experienced users.
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A novel quantitative evaluation of deposits adhered to worn orthokeratology contact lenses. Jpn J Ophthalmol 2021; 65:855-863. [PMID: 34586527 DOI: 10.1007/s10384-021-00873-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 08/26/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE Total deposition and deposition along the reverse curve of heavily deposited worn orthokeratology (OK) lenses were quantitatively evaluated using two novel imaging methods. In addition, the cleaning efficacies of a contact lens cleaning solution for daily use and an intensive cleaner and protein remover solution were evaluated using the same two methods. STUDY DESIGN Experimental study. METHODS Twenty-six worn reverse-geometry OK lenses (MY Emerald, Technopia) were photographed for use in three experiments: (1) total deposition was assessed before and after cleaning with two cleaning solutions; (2) in addition to assessing total lens deposition, the feasibility of measuring the thickness of lens deposits along the reverse curve was assessed; and (3) after confirming it was possible to assess the thickness of lens deposits, the thickness of deposits was assessed before and after cleaning with a daily contact lens cleaning solution (O2 Care®, Menicon Co., Ltd.) and an intensive cleaner and protein remover (Progent®, Menicon Co., Ltd.). Total lens deposition was assessed as the total volume of cloudiness over the lens surface in terms of volume per unit pixel. Cross-sectional images were taken from worn OK lenses to assess the thickness of lens deposits on the reverse curve as the area of deposits/horizontal length. RESULTS Significant differences in total deposition were found between the three cleaning conditions for the twenty worn OK lenses (mean total deposition ± SD for pre-cleaning = 0.209 ± 0.076; post-daily cleaning = 0.124 ± 0.078; and post-intensive cleaning = 0.045 ± 0.046) (p < 0.001). Mean total deposition and thickness of the deposits along the reverse curve for the three lenses from the second experiment were 0.310 and 6.0 mm, respectively. The mean thicknesses of lens deposits found in the third experiment under the 3 conditions were as follows: pre-cleaning = 3.4 µm; post-daily cleaning = 2.3 µm; and post-intensive cleaning = 0.0 µm. CONCLUSION The two novel imaging methods used in this study detected significant amounts of deposits attached to worn OK lenses and were sensitive enough to detect a reduction in deposition following the use of the two cleaning solutions tested. Furthermore, these methods could visualize and quantify the thickness of lens deposits along the reverse curve.
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31
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Ocular Surface Microbiota in Contact Lens Users and Contact-Lens-Associated Bacterial Keratitis. Vision (Basel) 2021; 5:vision5020027. [PMID: 34205001 PMCID: PMC8293334 DOI: 10.3390/vision5020027] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 05/25/2021] [Accepted: 05/27/2021] [Indexed: 01/04/2023] Open
Abstract
Our objectives were to investigate whether the conjunctival microbiota is altered by contact lens wear and/or bacterial keratitis and to explore the hypothesis that commensals of conjunctival microbiota contribute to bacterial keratitis. Swab samples from both eyes were collected separately from the inferior fornix of the conjunctiva of non-contact-lens users (nparticipants = 28) and contact lens users (nparticipants = 26) and from patients with contact-lens-associated bacterial keratitis (nparticipants = 9). DNA from conjunctival swab samples was analyzed with 16S rRNA gene amplicon sequencing. Pathogens from the corneal infiltrates were identified by cultivation. In total, we identified 19 phyla and 283 genera; the four most abundant genera were Pseudomonas, Enhydrobacter, Staphylococcus, and Cutibacterium. Several pathogens related to bacterial keratitis were identified in the conjunctival microbiota of the whole study population, and the same bacteria were identified by both methods in the conjunctiva and cornea for four patients with contact-lens-associated bacterial keratitis. The overall conjunctival microbiota profile was not altered by contact lens wear or bacterial keratitis; thus, it does not appear to contribute to the development of bacterial keratitis in contact lens users. However, in some individuals, conjunctival microbiota may harbor opportunistic pathogens causing contact-lens-associated bacterial keratitis.
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32
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Nti AN, Berntsen DA. Optical changes and visual performance with orthokeratology. Clin Exp Optom 2021; 103:44-54. [DOI: 10.1111/cxo.12947] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 06/17/2019] [Accepted: 06/18/2019] [Indexed: 12/24/2022] Open
Affiliation(s)
- Augustine N Nti
- The Ocular Surface Institute, College of Optometry, University of Houston, Houston, Texas, USA,
| | - David A Berntsen
- The Ocular Surface Institute, College of Optometry, University of Houston, Houston, Texas, USA,
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Vincent SJ, Cho P, Chan KY, Fadel D, Ghorbani-Mojarrad N, González-Méijome JM, Johnson L, Kang P, Michaud L, Simard P, Jones L. CLEAR - Orthokeratology. Cont Lens Anterior Eye 2021; 44:240-269. [DOI: 10.1016/j.clae.2021.02.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 02/01/2021] [Indexed: 12/25/2022]
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CLEAR - Contact lens complications. Cont Lens Anterior Eye 2021; 44:330-367. [DOI: 10.1016/j.clae.2021.02.010] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Accepted: 02/01/2021] [Indexed: 12/20/2022]
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Ho L, Jalbert I, Watt K, Hui A. Current understanding and therapeutic management of contact lens associated sterile corneal infiltrates and microbial keratitis. Clin Exp Optom 2021; 104:323-333. [PMID: 33689618 DOI: 10.1080/08164622.2021.1877530] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
Contact lenses are widely prescribed in clinical practice with multiple applications and advantages. However, contact lenses can be associated with various complications which range from innocuous to severe. Clinicians thus not only need to possess the ability to prescribe the most appropriate contact lenses for each individual patient but also be able to recognise and manage any associated complications. This review examines the existing literature on the management of corneal infiltrative events associated with soft contact lenses, including microbial keratitis, particularly in the context of practising in Australia. The definitions and diagnosis of corneal infiltrative events, as well as the current understanding of their aetiologies, will be explored. The various aspects of a successful management will be discussed, including the applications of therapeutic agents such as antimicrobial and anti-inflammatory agents, the role of microbiological investigations, and strategies to improve long-term prognosis. The currently available evidence supporting management options will be presented, highlighting the relative abundance of high-level evidence on management protocols, antimicrobial selection and treatment duration for microbial keratitis; and the relative paucity of studies and trials for sterile corneal infiltrative events, despite this condition being much more commonly encountered in clinical practice.
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Affiliation(s)
- Lily Ho
- School of Optometry and Vision Science, UNSW Sydney, Sydney, NSW, Australia
| | - Isabelle Jalbert
- School of Optometry and Vision Science, UNSW Sydney, Sydney, NSW, Australia
| | - Kathleen Watt
- School of Optometry and Vision Science, UNSW Sydney, Sydney, NSW, Australia
| | - Alex Hui
- School of Optometry and Vision Science, UNSW Sydney, Sydney, NSW, Australia
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Yang N, Bai J, Liu L. Low concentration atropine combined with orthokeratology in the treatment of axial elongation in children with myopia: A meta-analysis. Eur J Ophthalmol 2021; 32:221-228. [PMID: 33678055 DOI: 10.1177/1120672121998903] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
OBJECTIVE To evaluate the effect of low concentration atropine combined with Orthokeratology (OK) lens compared with the OK lens on the changes of axial length in children with moderate and low myopia by meta-analysis. METHODS Databases such as PubMed, Web of Science, Embase, and Cochrane Library were comprehensively searched to collect related studies on atropine combined with the OK lens in the treatment of children with moderate and low myopia. The retrieval time was from the establishment of the database to December 2020. The standardized mean difference (SMD) and its 95% confidence interval (CI) were selected as the effect to analyze the changes of the axial length of the eye axis in children with low and moderate myopia treated with low concentration atropine combined with OK lens. RESULTS A total of eight articles were included in this study. Compared with OK lens treatment, low concentration atropine combined with the OK lens significantly slowed down the axial elongation of low and moderate myopia, SMD = -0.68(95% CI: -0.86--0.50, p < 0.05). According to the subgroup analysis of treatment time, when the treatment time was less than or equal to 6 months, SMD = -0.63(95% CI: -0.88--0.37, p < 0.05), when the treatment time was 1 year, SMD = -0.76(95% CI: -1.08--0.43, p < 0.05), and when the treatment time was 2 years, SMD = -0.69(95% CI: -1.07--0.31, p < 0.05). CONCLUSION Low concentration atropine combined with the OK lens is more effective than the OK lens in the treatment of children with low to moderate myopia in reducing axial elongation.
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Affiliation(s)
- Ning Yang
- Your Bright Eye Clinic of Chengdu Hi-tech Zone, Chengdu, Sichuan, China
| | | | - Li Liu
- Your Bright Eye Clinic of Chengdu Hi-tech Zone, Chengdu, Sichuan, China
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Steele KR, Wagner H, Lai N, Zimmerman AB. Gas-Permeable Contact Lenses and Water Exposure: Practices and Perceptions. Optom Vis Sci 2021; 98:258-265. [PMID: 33771955 DOI: 10.1097/opx.0000000000001660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
SIGNIFICANCE This study provides insight into the current recommendations, clinical behaviors, and risk assessments of eye care professionals on the topic of rigid contact lens exposure to tap water. This knowledge may motivate professional organizations to develop initiatives to educate eye care professionals on the dangers of contact lens exposure to water. PURPOSE The purpose of this study was to investigate the practice patterns and risk perceptions of eye care professionals regarding gas-permeable contact lens exposure to tap water. METHODS A branched-logic survey was started by 320 clinicians, vision scientists, and industry personnel and was fully completed by 272 participants. The survey queried participants about their current practices, recommendations, and perceptions of risk regarding exposure of gas-permeable contact lenses to tap water. RESULTS Of those who prescribe gas-permeable contact lenses, 57.4% reported rinsing lenses with tap water, whereas only 32.7% reported engaging in this same behavior in front of patients. Of those who reported never rinsing lenses with tap water, 85.6% indicated that rinsing lenses with water increases infection risk, whereas 52.1% of those who rinse lenses with water reported the same perceived risk (P < .001). Of all participants, 60% indicated that wearing contact lenses while showering increases infection risk, and 50.2% of all participants advised patients to avoid this behavior. CONCLUSIONS A discrepancy exists between perceptions of risk concerning exposure of contact lenses to water and both clinical practices and patient education provided by professionals.
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Affiliation(s)
| | - Heidi Wagner
- The Ohio State University, College of Optometry, Columbus, Ohio
| | - Nicky Lai
- The Ohio State University, College of Optometry, Columbus, Ohio
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Gao C, Wan S, Zhang Y, Han J. The Efficacy of Atropine Combined With Orthokeratology in Slowing Axial Elongation of Myopia Children: A Meta-Analysis. Eye Contact Lens 2021; 47:98-103. [PMID: 33060414 DOI: 10.1097/icl.0000000000000746] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/10/2020] [Indexed: 12/16/2022]
Abstract
OBJECTIVES Previous studies have found that atropine can slow axial elongation and control the progression of myopia. Some ongoing trials have applied atropine combined with orthokeratology for myopia control, but few studies explored the effect of the strategy on axial elongation. This meta-analysis made a preliminary evaluation of the effect of atropine combined with orthokeratology on axial elongation to provide a reference for further researches. METHODS We performed a specific search on PubMed, EMBASE, Cochrane library, Web of Science, Ovid and Chinese electronic databases of VIP and Wanfang for randomized controlled trials, cohort studies and case-control studies conducted up to December 2019. The weighted mean difference (WMD) of mean change in axial elongation between the combination group of atropine and orthokeratology and the orthokeratology group was used for evaluation. Publication bias was detected using the Funnel plots test. RESULTS A total of five studies involving 341 participants younger than 18 years old met our inclusion criteria. The axial elongation was lower in the combination group of atropine and orthokeratology than that of the orthokeratology group (0.25 vs. 0.35; WMD=-0.09 mm, [95% confidence intervals, -0.15 to -0.04], Z=3.39, P=0.0007). CONCLUSIONS This meta-analysis demonstrates atropine combined with orthokeratology is effective in slowing axial elongation in myopia children. This effect may be superior to that of the orthokeratology alone.
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Affiliation(s)
- Canran Gao
- School of Clinical Medicine (C.G., S.W., Y.Z.), Capital Medical University, Beijing, China ; and Department of Ophthalmology (J.H.), Tangdu Hospital, the Air Force Medical University, Xi'an, Shaanxi, China
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Jonker SMR, Berendschot TTJM, Saelens IEY, Bauer NJC, Nuijts RMMA. Phakic intraocular lenses: An overview. Indian J Ophthalmol 2020; 68:2779-2796. [PMID: 33229653 PMCID: PMC7856940 DOI: 10.4103/ijo.ijo_2995_20] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
Phakic intraocular lenses (pIOLs) are a common solution for the surgical correction of high myopia and myopia in thin corneas. Global trends result in increasing rates of patients with high myopia which will result in increased rates of pIOL implantation. Three types of lenses can be distinguished: anterior chamber angle-supported, anterior chamber iris-fixated, and posterior chamber phakic IOLs. The efficacy of phakic intraocular lenses is generally very good, but pIOLs have undergone many changes over the years to improve the safety profile and decrease pIOL-related complications such as endothelial cell loss, corneal decompensation and cataract formation. This article describes the efficacy and safety profiles of the most recent pIOLs, as well as suggests gaps of knowledge that are deserve additional research to optimize the results of pIOLs.
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Affiliation(s)
- Soraya M R Jonker
- University Eye Clinic Maastricht, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Tos T J M Berendschot
- University Eye Clinic Maastricht, Maastricht University Medical Center, Maastricht, The Netherlands
| | | | - Noël J C Bauer
- University Eye Clinic Maastricht, Maastricht University Medical Center, Maastricht; Department of Ophthalmology, Zuyderland Medical Center, Heerlen, The Netherlands
| | - Rudy M M A Nuijts
- University Eye Clinic Maastricht, Maastricht University Medical Center, Maastricht; Department of Ophthalmology, Zuyderland Medical Center, Heerlen, The Netherlands
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Dikmetaş Ö, Deniz Y, Kocabeyoğlu S, Başol M, İrkeç M. The Value of Fortified Aminoglycoside/Cephalosporin Treatment as First-Line Treatment and in Fluoroquinolone-Resistant Bacterial Keratitis. Turk J Ophthalmol 2020; 50:258-263. [PMID: 33342191 PMCID: PMC7610049 DOI: 10.4274/tjo.galenos.2020.37346] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Objectives: Topical application of fluoroquinolone antibiotics is thought to be as effective as fortified antibiotics. The aim of this study was to evaluate the efficacy of fluoroquinolones as an alternative to fortified antibiotic therapies. Materials and Methods: The medical records of 31 patients who were hospitalized in our department due to bacterial keratitis were retrospectively reviewed. Fluoroquinolone was started as the first treatment for 20 (64.5%) patients and upon no response fortified antibiotic was initiated, and 11 (35.5%) patients were started with fortified treatment. Cultures and smears were recorded before treatment. Lesions were evaluated as superficial or deep according to their depth. Treatment response was evaluated based on reduction of infiltrate depth and size, change in visual acuity, and regression of hypopyon. Results: Central, paracentral, and peripheral location were detected in 9 (29.0%), 10 (32.2%) and 12 (38.7%) eyes, respectively. According to lesion depth, 15 (48.3%) were deep and 16 (51.6%) were superficial. Response of superficial lesions was found to be statistically earlier (p=0.037). Culture was positive in 9 (29.0%) eyes. The initial best corrected visual acuity (BCVA) was 0.5±0.7 logMAR (-0.1-2.3) and 0.3±0.3 logMAR (-0.1-0.9) after treatment. Treatment response showed moderate but statistically nonsignificant correlation with time to treatment initiation and initial BCVA (r=0.527, p=0.184; r=0.517, p=0.120). Conclusion: Although fluoroquinolones are the first choice for the treatment of bacterial keratitis, fortified antibiotics have been shown to be effective in patients who do not respond to treatment. Fortified therapy should be kept in mind in the treatment of bacterial keratitis.
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Affiliation(s)
- Özlem Dikmetaş
- Hacettepe University Faculty of Medicine, Department of Ophthalmology, Ankara, Turkey
| | - Yağmur Deniz
- Hacettepe University Faculty of Medicine, Department of Ophthalmology, Ankara, Turkey
| | - Sibel Kocabeyoğlu
- Hacettepe University Faculty of Medicine, Department of Ophthalmology, Ankara, Turkey
| | - Merve Başol
- Hacettepe University Faculty of Medicine, Department of Biostatistics, Ankara, Turkey
| | - Murat İrkeç
- Hacettepe University Faculty of Medicine, Department of Ophthalmology, Ankara, Turkey
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Singh K, Bhattacharyya M, Goel A, Arora R, Gotmare N, Aggarwal H. Orthokeratology in Moderate Myopia: A Study of Predictability and Safety. J Ophthalmic Vis Res 2020; 15:210-217. [PMID: 32308956 PMCID: PMC7151515 DOI: 10.18502/jovr.v15i2.6739] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 04/16/2019] [Indexed: 11/29/2022] Open
Abstract
Purpose Literature is relatively silent on safety profile and predictability of orthokeratology lenses in terms of myopia correction and prevention of further progression, especially in semi-tropical countries; this study was designed to fill this gap. Methods This prospective, intervention case series enrolled 30 eyes of 30 patients with myopia up to –5.5 diopters (D). Patients were randomized into two groups of 15 each; the study group was prescribed overnight orthokeratology (OK) lenses, while the control group used daily wear conventional soft contact lenses. Follow-up examinations were performed after 1 h and 6 h, and then at 1, 7, 15, 30 days, and 4 months post lens wear. Uncorrected visual acuity (UCVA), contrast sensitivity, keratometry, central corneal thickness (CCT), and tear film break up time (TBUT) were evaluated at each follow-up examination. Results All patients attained a visual acuity of 0.00 Logarithm of the Minimum Angle of Resolution (logMAR) after one week of lens use, which was maintained throughout the study period. While patients allotted to the study group had a gain of 8.1 Snellen lines (UCVA), those in the control group gained 8.9 lines (BCVA) at the end of follow-up period. In the OK group, cornea showed a flattening of 0.8 D (mean keratometry) after single overnight usage of OK lens and overall flattening of 1.2 D compared to baseline, at the end of four months. The change in contrast sensitivity, corneal endothelial specular count, axial length and tear film status was not significant in either group. Conclusion Orthokeratology is an effective and safe modality to correct moderate myopia in motivated young adults. No side effects were encountered after a short-term follow-up in participants who resided in semi-tropical environments.
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Affiliation(s)
- Kirti Singh
- Guru Nanak Eye Centre, Maharaja Ranjit Singh Marg, New Delhi, India
| | | | - Abhishek Goel
- Guru Nanak Eye Centre, Maharaja Ranjit Singh Marg, New Delhi, India
| | - Ritu Arora
- Guru Nanak Eye Centre, Maharaja Ranjit Singh Marg, New Delhi, India
| | - Nikhil Gotmare
- Guru Nanak Eye Centre, Maharaja Ranjit Singh Marg, New Delhi, India
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Zhu BB, Zhou J, Zheng J, Zhang Y, Wan T, Huang XD, Lin L, Jin XM. Corneal graft melting: a systematic review. Int J Ophthalmol 2020; 13:493-502. [PMID: 32309189 DOI: 10.18240/ijo.2020.03.19] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Accepted: 12/20/2019] [Indexed: 12/22/2022] Open
Abstract
Corneal graft melting is a severe complication of keratoplasty. This review is to summarize the incidence, the pathogenesis, the risk factors, the prognosis and the prevention of corneal graft melting after keratoplasty. We systematically searched PubMed, Web of Science and WanFang database to retrieve potentially eligible articles about relevant clinical reports and animal experiments. We read the full texts to identify eligible articles. The selection of studies and data extraction were performed independently by two reviewers. In conclusion, the pathogenesis of corneal graft melting is complicated, and many risk factors are closely related to corneal graft melting. Analysis of pathogenesis and risk factors of corneal graft melting can facilitate the development of targeted therapies to better guide clinical practice.
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Affiliation(s)
- Bin-Bin Zhu
- Eye Center, the Affiliated Second Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, Zhejiang Province, China
| | - Jie Zhou
- Eye Center, the Affiliated Second Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, Zhejiang Province, China
| | - Jiao Zheng
- Eye Center, the Affiliated Second Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, Zhejiang Province, China
| | - Yue Zhang
- Eye Center, the Affiliated Second Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, Zhejiang Province, China
| | - Ting Wan
- Eye Center, the Affiliated Second Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, Zhejiang Province, China
| | - Xiao-Dan Huang
- Eye Center, the Affiliated Second Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, Zhejiang Province, China
| | - Lin Lin
- Eye Center, the Affiliated Second Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, Zhejiang Province, China
| | - Xiu-Ming Jin
- Eye Center, the Affiliated Second Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, Zhejiang Province, China
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Pugazhendhi S, Ambati B, Hunter AA. Pathogenesis and Prevention of Worsening Axial Elongation in Pathological Myopia. Clin Ophthalmol 2020; 14:853-873. [PMID: 32256044 PMCID: PMC7092688 DOI: 10.2147/opth.s241435] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Accepted: 02/14/2020] [Indexed: 12/15/2022] Open
Abstract
PURPOSE This review discusses the etiology and pathogenesis of myopia, prevention of disease progression and worsening axial elongation, and emerging myopia treatment modalities. INTRODUCTION Pediatric myopia is a public health concern that impacts young children worldwide and is associated with numerous future ocular diseases such as cataract, glaucoma, retinal detachment and other chorioretinal abnormalities. While the exact mechanism of myopia of the human eye remains obscure, several studies have reported on the role of environmental and genetic factors in the disease development. METHODS A review of literature was conducted. PubMed and Medline were searched for combinations and derivatives of the keywords including, but not limited to, "pediatric myopia", "axial elongation", "scleral remodeling" or "atropine." The PubMed and Medline database search were performed for randomized control trials, systematic reviews and meta-analyses using the same keyword combinations. RESULTS Studies have reported that detection of genetic correlations and modification of environmental influences may have a significant impact in myopia progression, axial elongation and future myopic ocular complications. The conventional pharmacotherapy of pediatric myopia addresses the improvement in visual acuity and prevention of amblyopia but does not affect axial elongation or myopia progression. Several studies have published varying treatments, including optical, pharmacological and surgical management, which show great promise for a more precise control of myopia and preservation of ocular health. DISCUSSION Understanding the role of factors influencing the onset and progression of pediatric myopia will facilitate the development of successful treatments, reduction of disease burden, arrest of progression and improvement in future of the management of myopia.
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Abstract
Background:In microbial keratitis, infection of the cornea can threaten vision through permanent corneal scarring and even perforation resulting in the loss of the eye. A literature review was conducted by Karsten, Watson and Foster (2012) to determine the spectrum of microbial keratitis. Since this publication, there have been over 2600 articles published investigating the causative pathogens of microbial keratitis.Objective:To determine the current spectrum of possible pathogens implicated in microbial keratitis relative to the 2012 study.Methods:An exhaustive literature review was conducted of all the peer-reviewed articles reporting on microbial pathogens implicated in keratitis. Databases including MEDLINE, EMBASE, Scopus and Web of Science were searched utilising their entire year limits (1950-2019).Results:Six-hundred and eighty-eight species representing 271 genera from 145 families were implicated in microbial keratitis. Fungal pathogens, though less frequent than bacteria, demonstrated the greatest diversity with 393 species from 169 genera that were found to cause microbial keratitis. There were 254 species of bacteria from 82 genera, 27 species of amoeba from 11 genera, and 14 species of virus from 9 genera, which were also identified as pathogens of microbial keratitis.Conclusion:The spectrum of pathogens implicated in microbial keratitis is extremely diverse. Bacteria were most commonly encountered and in comparison, to the review published in 2012, further 456 pathogens have been identified as causative pathogens of microbial keratitis. Therefore, the current review provides an important update on the potential spectrum of microbes, to assist clinicians in the diagnosis and treatment of microbial keratitis.
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Prousali E, Haidich AB, Fontalis A, Ziakas N, Brazitikos P, Mataftsi A. Efficacy and safety of interventions to control myopia progression in children: an overview of systematic reviews and meta-analyses. BMC Ophthalmol 2019; 19:106. [PMID: 31072389 PMCID: PMC6506938 DOI: 10.1186/s12886-019-1112-3] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 04/22/2019] [Indexed: 02/07/2023] Open
Abstract
Background Myopia is a common visual disorder with increasing prevalence. Halting progression of myopia is critical, as high myopia can be complicated by a number of vision-compromising conditions. Methods Literature search was conducted in the following databases: Medical Literature Analysis and Retrieval System Online (MEDLINE), Excerpta Medica dataBASE (EMBASE), Cochrane Database of Systematic Reviews (CDSR), Database of Abstracts of Reviews of Effects (DARE) and Centre for Reviews and Dissemination (CRD) Health Technology Assessment (HTA) database. Systematic reviews and meta-analyses investigating the efficacy and safety of multiple myopia interventions vs control conditions, were considered. Methodological quality and quality of evidence of eligible studies were assessed using the ROBIS tool and GRADE rating. The degree of overlapping of index publications in the eligible reviews was calculated with the corrected covered area (CCA). Results Forty-four unique primary studies contained in 18 eligible reviews and involving 6400 children were included in the analysis. CCA was estimated as 6.2% and thus considered moderate. Results demonstrated the superior efficacy of atropine eyedrops; 1% atropine vs placebo (change in refraction: -0.78D, [− 1.30 to − 0.25] in 1 year), 0.025 to 0.05% atropine vs control (change in refraction: -0.51D, [− 0.60 to − 0.41] in 1 year), 0.01% atropine vs control (change in refraction: -0.50D, [− 0.76 to − 0.24] in 1 year). Atropine was followed by orthokeratology (axial elongation: − 0.19 mm, [− 0.21 to − 0.16] in 1 year) and novel multifocal soft contact lenses (change in refraction: -0.15D, [− 0.27 to − 0.03] in 1 year). As regards adverse events, 1% atropine induced blurred near vision (odds ratio [OR] 9.47, [1.17 to 76.78]) and hypersensitivity reactions (OR 8.91, [1.04 to 76.03]). Conclusions Existing evidence has failed to convince doctors to uniformly embrace treatments for myopic progression control, possibly due to existence of some heterogeneity, reporting of side effects and lack of long-term follow-up. Research geared towards efficient interventions is still necessary. Electronic supplementary material The online version of this article (10.1186/s12886-019-1112-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Efthymia Prousali
- 2nd Department of Ophthalmology, Aristotle University of Thessaloniki, Thessaloniki, Greece.,Department of Hygiene, Social-Preventive Medicine and Medical Statistics, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Anna-Bettina Haidich
- Department of Hygiene, Social-Preventive Medicine and Medical Statistics, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Andreas Fontalis
- Department of Hygiene, Social-Preventive Medicine and Medical Statistics, Aristotle University of Thessaloniki, Thessaloniki, Greece.,Sheffield Teaching Hospitals NHS Foundation Trust, Northern General Hospital, Herries Rd, Sheffield, UK
| | - Nikolaos Ziakas
- 2nd Department of Ophthalmology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Periklis Brazitikos
- 2nd Department of Ophthalmology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Asimina Mataftsi
- 2nd Department of Ophthalmology, Aristotle University of Thessaloniki, Thessaloniki, Greece.
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VanderVeen DK, Kraker RT, Pineles SL, Hutchinson AK, Wilson LB, Galvin JA, Lambert SR. Use of Orthokeratology for the Prevention of Myopic Progression in Children. Ophthalmology 2019; 126:623-636. [DOI: 10.1016/j.ophtha.2018.11.026] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 11/20/2018] [Accepted: 11/20/2018] [Indexed: 11/17/2022] Open
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The Influence of Overnight Orthokeratology on Ocular Surface and Meibomian Gland Dysfunction in Teenagers with Myopia. J Ophthalmol 2019; 2019:5142628. [PMID: 30805209 PMCID: PMC6360595 DOI: 10.1155/2019/5142628] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 08/20/2018] [Accepted: 09/14/2018] [Indexed: 12/26/2022] Open
Abstract
Purpose The aim of this study was to investigate the effect of overnight orthokeratology (OOK) on ocular surface and meibomian gland dysfunction in teenagers with myopia. Methods A total of 59 subjects were recruited in this prospective study. The following tests were performed before and after 1, 3, 6, 12, and 24 months of OOK lens wear, including ocular surface disease index (OSDI) questionnaire, slit-lamp examination, and Keratograph 5M. Results No infectious keratitis occurred during the study. OSDI scores increased gradually and reached the maximum at 6 months of OOK wear (P < 0.001). The meniscus height was significantly increased at 1 and 3 months after the initiation of OOK (P=0.006, P=0.035). The corneal fluorescein staining at 1, 3, 6, 12, and 24 months after wearing OOK were all increased than the prewearing level with significant difference (P=0.014, P=0.036, P < 0.001, P < 0.001, and P=0.008, respectively). The first and the average tear film NIKBUT were all higher than the prewearing level, but there was no significant difference between every follow-up time points (P > 0.05). The lid margin abnormalities were significantly increased (P=0.003, P=0.038, and P=0.015) at 6, 12, and 24 months after the initiation of OOK. There was no significant difference in the meibomian gland orifice scores at each follow-up time points compared to the prewearing level (P > 0.05). The meibomian gland lipid secretion scores after wearing OOK were higher than those of the prewearing level, however, without statistically significant difference (P > 0.05). No significant differences of the degree of difficulty of lipid excretions were detected after the initiation of OOK (P > 0.05). There was no significant difference in meibomian gland dropout scores between all follow-up time points and the prewearing level (P=1.000). Conclusion OOK increased the symptoms of dry eye and decreased the function of tear film by affecting the meniscus height and BUT. OOK did not affect the function of meibomian glands.Clinical Study registration number: ChiCTR18000185708.
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Zada M, Cabrera‐Aguas M, Branley M, Azar D, Watson S. Microbial keratitis associated with long‐term orthokeratology. Clin Exp Ophthalmol 2018; 47:292-294. [DOI: 10.1111/ceo.13386] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Accepted: 09/01/2018] [Indexed: 11/30/2022]
Affiliation(s)
- Mark Zada
- Department of OphthalmologyConcord Repatriation General Hospital Sydney Australia
| | - Maria Cabrera‐Aguas
- Sydney Eye Hospital Sydney Australia
- Save Sight Institute, University of Sydney Sydney Australia
| | - Michael Branley
- Department of OphthalmologyRoyal North Shore Hospital Sydney Australia
| | - Domit Azar
- Department of OphthalmologyConcord Repatriation General Hospital Sydney Australia
- Concord Clinical SchoolUniversity of Sydney Sydney Australia
| | - Stephanie Watson
- Sydney Eye Hospital Sydney Australia
- Save Sight Institute, University of Sydney Sydney Australia
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Lin A, Rhee MK, Akpek EK, Amescua G, Farid M, Garcia-Ferrer FJ, Varu DM, Musch DC, Dunn SP, Mah FS. Bacterial Keratitis Preferred Practice Pattern®. Ophthalmology 2018; 126:P1-P55. [PMID: 30366799 DOI: 10.1016/j.ophtha.2018.10.018] [Citation(s) in RCA: 123] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Accepted: 10/05/2018] [Indexed: 10/28/2022] Open
Affiliation(s)
- Amy Lin
- John A. Moran Eye Center, University of Utah, Salt Lake City, Utah, USA
| | - Michelle K Rhee
- Department of Ophthalmology, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Esen K Akpek
- The Wilmer Eye Institute, Johns Hopkins University, Baltimore, Maryland
| | - Guillermo Amescua
- Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, Florida
| | - Marjan Farid
- Gavin Herbert Eye Institute, Department of Ophthalmology, University of California, Irvine, California
| | | | | | - David C Musch
- Department of Ophthalmology and Visual Sciences, University of Michigan, Ann Arbor, Michigan
| | | | - Francis S Mah
- Departments of Cornea and External Diseases, Scripps Clinic Torrey Pines, La Jolla, California
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