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Zhao W, Wang J, Chen J, Xie H, Yang J, Liu K, He X, Xu X. The rate of orthokeratology lens use and associated factors in 33,280 children and adolescents with myopia: a cross-sectional study from Shanghai. Eye (Lond) 2023; 37:3263-3270. [PMID: 37046055 PMCID: PMC10564736 DOI: 10.1038/s41433-023-02503-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 01/21/2023] [Accepted: 03/08/2023] [Indexed: 04/14/2023] Open
Abstract
OBJECTIVES To investigate the rate of orthokeratology lens (ortho-k lens) use and its associated factors in children and adolescents with myopia. METHODS Cross-sectional study. Children from 104 primary and middle schools in Shanghai were enrolled by cluster sampling. Ophthalmic examinations were conducted and information was obtained using questionnaires for associated factors analysis. RESULTS A total of 72,920 children and adolescents were included, among which 32,259 were the potential population for ortho-k lens use. A total of 1021 participants used ortho-k lenses, equating to a use rate of 1.4% in the total population and 3.1% in the potential population. Age (OR 0.91, 95% CI: 0.88-0.95, p < 0.001), BMI (≥95th percentile: OR 0.48, 95% CI: 0.35-0.66, p < 0.001), age at initiation of refractive correction (≤12 years: OR 1.75, 95% CI: 1.31-2.33, p < 0.001), and parental myopia (either: OR 2.09, 95% CI: 1.58-2.75, p < 0.001; both: OR 3.94, 95% CI: 3.04-5.11, p < 0.001) were independently associated with ortho-k lens use. Of the ortho-k lenses users, 12.4% had a logMAR CVA of ≥0.3. A correction target (SE) of ≤-3.0 D (OR 2.05, 95% CI: 1.38-3.05, p < 0.001) and a sleeping duration of ≤6 h (OR 4.19, 95% CI: 2.03-8.64, p < 0.001) were factors independently associated with CVA ≥ 0.3. CONCLUSIONS A certain proportion of children and adolescents in Shanghai chose to wear ortho-k lenses, related to the situation of parents and children themselves. Health education and follow-ups should be strengthened to ensure orthokeratology application quality.
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Affiliation(s)
- Wenchen Zhao
- Shanghai Eye Disease Prevention and Treatment Center, Shanghai Vision Health Center & Shanghai Children Myopia Institute, Shanghai Eye Hospital, Shanghai, 200040, China
- National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai, 200080, China
| | - Jingjing Wang
- Shanghai Eye Disease Prevention and Treatment Center, Shanghai Vision Health Center & Shanghai Children Myopia Institute, Shanghai Eye Hospital, Shanghai, 200040, China
| | - Jun Chen
- Shanghai Eye Disease Prevention and Treatment Center, Shanghai Vision Health Center & Shanghai Children Myopia Institute, Shanghai Eye Hospital, Shanghai, 200040, China
| | - Hui Xie
- Shanghai Eye Disease Prevention and Treatment Center, Shanghai Vision Health Center & Shanghai Children Myopia Institute, Shanghai Eye Hospital, Shanghai, 200040, China
| | - Jinliuxing Yang
- Shanghai Eye Disease Prevention and Treatment Center, Shanghai Vision Health Center & Shanghai Children Myopia Institute, Shanghai Eye Hospital, Shanghai, 200040, China
| | - Kun Liu
- National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai, 200080, China
| | - Xiangui He
- Shanghai Eye Disease Prevention and Treatment Center, Shanghai Vision Health Center & Shanghai Children Myopia Institute, Shanghai Eye Hospital, Shanghai, 200040, China.
- National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai, 200080, China.
| | - Xun Xu
- Shanghai Eye Disease Prevention and Treatment Center, Shanghai Vision Health Center & Shanghai Children Myopia Institute, Shanghai Eye Hospital, Shanghai, 200040, China.
- National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai, 200080, China.
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Erdinest N, London N, Lavy I, Berkow D, Landau D, Morad Y, Levinger N. Peripheral Defocus and Myopia Management: A Mini-Review. KOREAN JOURNAL OF OPHTHALMOLOGY 2023; 37:70-81. [PMID: 36796348 PMCID: PMC9935061 DOI: 10.3341/kjo.2022.0125] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 12/26/2022] [Indexed: 02/07/2023] Open
Abstract
Myopia is the most common refractive error in the world, and its' prevalence continually increases. The potential pathological and visual complications of progressive myopia have inspired researchers to study the sources of myopia, axial elongation, and explore modalities to arrest progression. Considerable attention has been given over the past few years to the myopia risk factor known as hyperopic peripheral blur, the focus of this review. The primary theories currently believed to be the cause of myopia, the parameters considered to contribute and influence the effect of peripheral blur, such as the surface retinal area or depth of blur will be discussed. The currently available optical devices designed to provide peripheral myopic defocus will be discussed, including bifocal and progressive addition ophthalmic lenses, peripheral defocus single vision ophthalmic lenses, orthokeratology lenses, and bifocal or multifocal center distance soft lenses, as well as their effectivity as mentioned in the literature to date.
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Affiliation(s)
- Nir Erdinest
- Department of Opthalmology, Hadassah-Hebrew University Medical Center, Jerusalem,
Israel
- The Myopia Center, Rishon LeZion,
Israel
| | | | - Itay Lavy
- Department of Opthalmology, Hadassah-Hebrew University Medical Center, Jerusalem,
Israel
| | | | - David Landau
- Department of Opthalmology, Hadassah-Hebrew University Medical Center, Jerusalem,
Israel
| | - Yair Morad
- The Myopia Center, Rishon LeZion,
Israel
- Department of Ophthalmology, Assaf Harofeh Medical Center, Zerifin,
Israel
| | - Nadav Levinger
- Department of Opthalmology, Hadassah-Hebrew University Medical Center, Jerusalem,
Israel
- Department of Ophthalmology, Enaim Refractive Surgery Center, Jerusalem,
Israel
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Yang T, Hu R, Tian W, Lin Y, Lu Y, Liang X, Zheng D, Zhang X. Comparison of Functional Vision and Eye-Related Quality of Life between Myopic Children Treated with Orthokeratology and Single-Vision Spectacles in Southern China. J Ophthalmol 2023; 2023:7437935. [PMID: 37089412 PMCID: PMC10118901 DOI: 10.1155/2023/7437935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 11/30/2022] [Accepted: 03/27/2023] [Indexed: 04/25/2023] Open
Abstract
Objective To compare eye-related quality of life between Chinese children wearing orthokeratology (OK) contact lenses and single-vision spectacles (SVS) using the Pediatric Eye Questionnaire (PedEyeQ) and to evaluate the impact of different myopia correction methods on children and their parents. Methods Children aged 12-17 years and their parents/legal guardians were recruited. The children's myopia ranged from -0.50 to -5.00 diopters (D), and their astigmatism was <1.50 D. They had all been wearing OK contact lenses or SVS for at least 12 months. The children completed the Child PedEyeQ. One of their parents (or a legal guardian) completed the Proxy PedEyeQ and the Parent PedEyeQ. Rasch-calibrated PedEyeQ scores were calculated for each domain and were converted to a scale from 0 to 100 for statistical analysis. Results A total of 50 children wearing OK contact lenses, 43 children wearing SVS, and their parents/legal guardians completed the questionnaires. The scores of all Child, Proxy, and Parent PedEyeQ domains in the OK contact lens group were higher than those in the SVS group (all P < 0.05). In the mild and moderate myopia subgroups, the Child, Proxy, and Parent PedEyeQ scores in the mild myopia OK contact lens subgroup were higher than those in the mild myopia SVS group (all P < 0.05) except functional vision and bothered by eyes/vision domains for the proxy PedEyeQ. Similarly, the Child, Proxy, and Parent PedEyeQ scores in the moderate myopia OK contact lens subgroup were higher than those in the moderate myopia SVS subgroup (all P < 0.05) except impact on parent and family domain for the parent PedEyeQ. In the subgroup analysis of glasses type, no significant score difference of any Child, Proxy, and Parent PedEyeQ domain was detected between mild and moderate myopia in either the OK contact lens group or the SVS group (all P > 0.05). Conclusion Compared with children wearing SVS, children wearing OK contact lenses have better functional vision and eye-related quality of life. Moreover, OK contact lens has a better correction effect, higher acceptance rates, and less impact on parents and families than SVS.
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Affiliation(s)
- Tingting Yang
- Department of Ophthalmology, First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
- Department of Ophthalmology, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, China
| | - Rongsheng Hu
- Department of Urology, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, China
| | - Wen Tian
- Department of Ophthalmology, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, China
| | - Ying Lin
- Qingyuan Aier Eye Hospital, Qingyuan, China
| | - Yamei Lu
- Department of Ophthalmology, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, China
| | - Xiaolin Liang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou, China
| | - Danying Zheng
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou, China
| | - Xinyu Zhang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou, China
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London N, Erdinest N, Lavy I, Berkow D, Landau D, Levinger N, Morad Y. Peripheral defocus as it relates to myopia progression: A mini-review. Taiwan J Ophthalmol 2023. [DOI: 10.4103/tjo.tjo-d-22-00100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
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Hung LL, Liao LL, Chen HJ, Lin HL, Chang LC. Factors Associated With Follow-Up Visits in Parents With Myopic Children Wearing Orthokeratology Lens. J Nurs Res 2022; 30:e244. [PMID: 36066497 DOI: 10.1097/jnr.0000000000000517] [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: 11/25/2022] Open
Abstract
BACKGROUND Orthokeratology (Ortho-k) is an effective method for slowing the progression of myopia and correcting refractive error in school children. Although parents of children aged < 10 years play a major role in Ortho-k lens care, they have a generally low level of compliance in performing regular follow-up visits. PURPOSE This study was developed to analyze the associations between follow-up visits by parents of Ortho-k lens wearers aged < 10 years and, respectively, the Ortho-k-related knowledge of these parents and information resources promoting Ortho-k use. METHODS A cross-sectional study design was used. Parents of children who wear Ortho-k lenses were recruited through a private Facebook group with 3,500 members in 2020 that was created in 2018 for information sharing and exchange among parents of these children. The following data were collected: demographics of the parents and their children, four-item Ortho-k-related knowledge, information resources that prompted the decision to use Ortho-k, and the regularity of follow-up visits. These data were presented in terms of means, standard deviations, and percentages. Logistic regression was performed to compute the odds ratios ( OR s) and 95% confidence intervals (CIs). RESULTS The study showed that 83.11% had regular follow-up visits. The correct response rate on Ortho-k-related knowledge was > 80%. However, 15.51% of the participants did not recognize axial length as an indicator for monitoring myopia progress, and 10.76% did not know that at least 6 hours of nighttime sleep is required for myopia control with Ortho-k. The most common information resource leading to Ortho-k use was self-acquisition from Internet sources. The spherical equivalent refraction of < -2.0 D was 2.58 times higher in participants with regular follow-up visits than in their peers with irregular follow-up visits ( OR = 2.58, 95% CI [0.22, 5.63]). In addition, acknowledgment of "There is no need to change the Ortho-k lenses regularly as long as there is no discomfort" was 7.19 times higher in participants with regular follow-up visits than in their peers with irregular follow-up visits ( OR = 7.19, 95% CI [1.26, 13.93]). However, participants with regular follow-up visits did not receive Internet ophthalmology advertisements prompting their decision to use Ortho-k 2.62 times higher than their peers with irregular follow-up visits ( OR = 2.62, 95% CI [0.04, 4.29]). CONCLUSIONS The results support that both information sources and knowledge of Ortho-k use influence the frequency of follow-up visits among parents of Ortho-k lens wearers aged < 10 years. Related support from health professionals in terms of providing appropriate information and guidance is recommended to promote higher rates of regular follow-up visit attendance.
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Affiliation(s)
- Li-Ling Hung
- PhD, RN, Associate Professor, Department of Nursing, Hsin Sheng College of Medical Care and Management, Taoyuan City, Taiwan
| | - Li-Ling Liao
- PhD, RN, Professor, Department of Health Management, I-Shou University, Kaohsiung City, Taiwan
| | - Hsiao-Jung Chen
- MSN, RN, Instructor, School of Nursing, Chang Gung University of Science and Technology, Taoyuan City, Taiwan
| | - Hui-Ling Lin
- MSN, RN, Supervisor, Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan City, Taiwan, and Adjunct Assistant Professor, School of Nursing, Chang Gung University of Science and Technology, Taoyuan City, Taiwan
| | - Li-Chun Chang
- PhD, RN, Professor, School of Nursing, Chang Gung University of Science and Technology, Taoyuan City, Taiwan; Department of Nursing, Chang Gung University, Taoyuan City, Taiwan; and Associate Researcher Fellow, Department of Ophthalmology, Chang Gung Memorial Hospital, Keelung, Taiwan
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Wu SY, Wang JH, Chiu CJ. Assessment of Satisfaction, Compliance and Side Effects among Long-Term Orthokeratology Wearers. J Clin Med 2022; 11:4126. [PMID: 35887890 PMCID: PMC9321806 DOI: 10.3390/jcm11144126] [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: 05/09/2022] [Revised: 07/12/2022] [Accepted: 07/14/2022] [Indexed: 02/04/2023] Open
Abstract
Purpose: This study aims to assess the satisfaction, compliance, and side effects among the long-term orthokeratology (Ortho-K) users in a tertiary hospital in Taiwan and analyze the side effects and related risk factors. Methods: Children and their guardians were assessed using a structured and validated questionnaire inquiring about background information, wear and care behaviors, daily activities, satisfaction, and related concerns. Clinical information, including refractive data and side effects, was obtained through patient medical files. Results: Three hundred and five school-aged patients were enrolled, and the average age was 13.13 ± 3.39 years, with an average wearing period of 17.1 ± 8.1 months. Over 83% of the subjects had clear daytime vision all day, around 88% felt satisfied or very satisfied with the results, and 98% exhibited a willingness to continue wearing the Ortho-K lenses. Most guardians (83%) were pleased with the controlling effect of myopic progression. Initial spherical equivalent and regular cleaning of the lens protein significantly correlated with clear day vision. Wearing >6 days/week correlated with less risk of lens binding. Based on the questionnaire, the main reasons for using Ortho-K were effectiveness, safety, and practicality, while the major concerns were discomfort, harmful to the eyes, and no effect. Conclusion: With a comprehensive care program from practitioners and good compliance of users, Ortho-K could be the most effective and satisfactory option for myopic children in Taiwan.
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Affiliation(s)
- Shang-Yen Wu
- Department of Ophthalmology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970, Taiwan;
| | - Jen-Hung Wang
- Department of Medical Research, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970, Taiwan;
| | - Cheng-Jen Chiu
- Department of Ophthalmology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970, Taiwan;
- Department of Ophthalmology and Visual Science, Tzu Chi University, Hualien 970, Taiwan
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A Cooperative Management App for Parents with Myopic Children Wearing Orthokeratology Lenses: Mixed Methods Pilot Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph181910316. [PMID: 34639618 PMCID: PMC8507754 DOI: 10.3390/ijerph181910316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 09/17/2021] [Accepted: 09/25/2021] [Indexed: 11/17/2022]
Abstract
Orthokeratology (OK) lens wear is an effective modality to inhibit axial elongation in myopic children. Willingness for commitment from both parents and children contributes to the success of OK treatment. We aimed to develop and assess the usability of a mobile application on OK lens wear by quantitatively and qualitatively evaluating parents with myopic children and eye care professionals (ECPs). Moreover, the preliminary outcome was also evaluated in this study. The app was developed and tested using a co-design approach involving key stakeholders. Two prototype tests were conducted during the feasibility and utility assessment. The app features include self-reported compliance documentation, analytics, and personalized and generalized messages for compliance behaviors of OK lenses. After the trial period, the full usage of app functions ranged from 40% to 60% among the enrolled parents. After app implementation, the compliance with follow-up visits substantially improved. Qualitative data show that the high-satisfaction app functions reported by parents were the app’s reminder and axial length recording, although it was recommended that the number of compliance questions should be reduced to minimize the survey completion time. Additionally, who should complete the recording of the axial length data as well as the management and reminder for the follow-up visit remained controversial. This is the first app developed to improve parents of myopic children’s compliance with OK lens wear and to assist ECPs and parents in collaboratively monitoring and managing the use and care of OK lenses among myopic children. This study highlights the importance of interdisciplinary collaboration in the design, development, and validation of such an app.
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