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Huang H, Yan J, Li B, Huang M, Guo S, Fan A, Liu W. Tear Film Stability Affects Visual Acuity After Implantations of Monofocal and Multifocal Intraocular Lenses: An Evaluation by Objective Scatter Index. Transl Vis Sci Technol 2023; 12:15. [PMID: 37847201 PMCID: PMC10584023 DOI: 10.1167/tvst.12.10.15] [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: 07/06/2023] [Accepted: 09/14/2023] [Indexed: 10/18/2023] Open
Abstract
Purpose To assess the impact of tear film on postoperative visual acuity after cataract surgery to implant an intraocular lens (IOL). Methods Tear break-up time (TBUT), Schirmer I test, objective scatter index (OSI), and uncorrected distance visual acuity (UCDVA), intermediate visual acuity (UCIVA), and near visual acuity (UCNVA) were collected 6 months after cataract surgery. Results Fifteen eyes with monofocal (Mo-) IOLs and 15 eyes with multifocal (Mu-) IOLs from 30 subjects were included. The Mu-IOL group exhibited higher baseline OSI (1.92 ± 0.69, P < 0.001). Negative correlations-both groups: tear film-related OSI (TF-OSI) and TBUT/Schirmer I test; Mo-IOL: TBUT and logMAR UCDVA-and positive correlations-both groups: TF-OSI and baseline OSI, baseline OSI/TF-OSI and logMAR UCDVA; Mu-IOL: baseline OSI/TF-OSI and logMAR UCIVA/UCNVA-were found. Linear regression showed associations between TF-OSI and TBUT (Mo-IOL: R2 = 0.455, P = 0.006; Mu-IOL: R2 = 0.454, P = 0.006)/Schirmer I test (Mo-IOL: R2 = 0.527, P = 0.002; Mu-IOL: R2 = 0.266, P = 0.049). Multiple regression showed associations between baseline OSI (Mo-IOL: R2 = 0.309, P = 0.032; Mu-IOL: R2 = 0.305, P = 0.033)/TF-OSI (Mo-IOL: R2 = 0.332, P = 0.025; Mu-IOL: R2 = 0.523, P = 0.002)/TBUT (Mo-IOL only: R2 = 0.315, P = 0.029) and logMAR UCDVA. Conclusions TF-OSI reflects the UCDVA performance in eyes with IOLs and facilitates a better understanding of the effects of the tear film. Translational Relevance TF-OSI offers a developmental and objective approach to assessing the changing visual performance caused by tear film after cataract surgery and IOL implantation in clinical practices.
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Affiliation(s)
- Hao Huang
- Department of Ophthalmology, Zhuzhou Hospital Affiliated to Xiangya School of Medicine, Central South University, Zhuzhou, China
- 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
| | - Jianjun Yan
- Department of Ophthalmology, Zhuzhou Hospital Affiliated to Xiangya School of Medicine, Central South University, Zhuzhou, China
| | - Bowen Li
- Eye Center of Xiangya Hospital, Central South University, Changsha, China
| | - Mansha Huang
- Guangzhou Aier Eye Hospital, Jinan University, Guangzhou, China
| | - Shuanglin Guo
- 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
| | - Aifang Fan
- Department of Ophthalmology, Zhuzhou Hospital Affiliated to Xiangya School of Medicine, Central South University, Zhuzhou, China
| | - Wei Liu
- Department of Ophthalmology, Zhuzhou Hospital Affiliated to Xiangya School of Medicine, Central South University, Zhuzhou, China
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Skrzypecki J, Izdebska J, Ordon AJ, Przybek-Skrzypecka J, Szaflik JP. Spherical aberrations and their role in modern ophthalmology. Clin Exp Optom 2023; 106:703-710. [PMID: 36822601 DOI: 10.1080/08164622.2022.2160235] [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: 07/20/2022] [Revised: 10/31/2022] [Accepted: 11/03/2022] [Indexed: 02/25/2023] Open
Abstract
Spherical aberration is an imperfection of the optical system of the human eye. The role of spherical aberration of the human eye in the quality of vision and pseudoaccommodation is reviewed. Spherical aberration is an imperfection of the optical system of the human eye. In most cases, due to well-developed neuroadaptation, it is insignificant for the perception of the image. Nevertheless, its role in modern ophthalmology is far from straightforward. On the one hand, there are clinical scenarios in which an excess of spherical aberration degrades the retinal image and leads to a high dissatisfaction rate among patients.©Recently, there is a growing interest in the modulation of spherical aberration in the clinical setting. Modern intraocular lenses as well as laser refractive procedures are aimed at interfering with spherical aberrations of the optical system in order to increase range of pseudoaccommodation. Here, we review the role of spherical aberration of the human eye in the quality of vision and pseudoaccommodation.
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Affiliation(s)
- Janusz Skrzypecki
- Departament of Ophthalmology, Independent Public University Eye Hospital, Warsaw, Poland
- Department of Experimental Physiology and Pathophysiology, Medical University of Warsaw, Warsaw, Poland
| | - Justyna Izdebska
- Departament of Ophthalmology, Independent Public University Eye Hospital, Warsaw, Poland
- Department of Ophthalmology, Medical University of Warsaw, Warsaw, Poland
| | - Agata Joanna Ordon
- Departament of Ophthalmology, Independent Public University Eye Hospital, Warsaw, Poland
- Department of Binocular Vision Pathophysiology and Strabismus, Medical University of Lodz, Lodz, Poland
| | - Joana Przybek-Skrzypecka
- Departament of Ophthalmology, Independent Public University Eye Hospital, Warsaw, Poland
- Department of Ophthalmology, Medical University of Warsaw, Warsaw, Poland
| | - Jacek Pawel Szaflik
- Departament of Ophthalmology, Independent Public University Eye Hospital, Warsaw, Poland
- Department of Ophthalmology, Medical University of Warsaw, Warsaw, Poland
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Hong ASY, Ang BCH, Dorairaj E, Dorairaj S. Premium Intraocular Lenses in Glaucoma-A Systematic Review. Bioengineering (Basel) 2023; 10:993. [PMID: 37760095 PMCID: PMC10525961 DOI: 10.3390/bioengineering10090993] [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: 07/06/2023] [Revised: 08/12/2023] [Accepted: 08/16/2023] [Indexed: 09/29/2023] Open
Abstract
The incidence of both cataract and glaucoma is increasing globally. With increasing patient expectation and improved technology, premium intraocular lenses (IOLs), including presbyopia-correcting and toric IOLs, are being increasingly implanted today. However, concerns remain regarding the use of premium IOLs, particularly presbyopia-correcting IOLs, in eyes with glaucoma. This systematic review evaluates the use of premium IOLs in glaucoma. A comprehensive search of the MEDLINE database was performed from inception until 1 June 2023. Initial search yielded 1404 records, of which 12 were included in the final review of post-operative outcomes. Studies demonstrated high spectacle independence for distance and good patient satisfaction in glaucomatous eyes, with positive outcomes also in post-operative visual acuity, residual astigmatism, and contrast sensitivity. Considerations in patient selection include anatomical and functional factors, such as the type and severity of glaucomatous visual field defects, glaucoma subtype, presence of ocular surface disease, ocular changes after glaucoma surgery, and the reliability of disease monitoring, all of which may be affected by, or influence, the outcomes of premium IOL implantation in glaucoma patients. Regular reviews on this topic are needed in order to keep up with the rapid advancements in IOL technology and glaucoma surgical treatments.
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Affiliation(s)
- Ashley Shuen Ying Hong
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore;
| | - Bryan Chin Hou Ang
- Department of Ophthalmology, National Healthcare Group Eye Institute, Tan Tock Seng Hospital, Singapore 308433, Singapore
- Department of Ophthalmology, National Healthcare Group Eye Institute, Woodlands Health Campus, Singapore 768024, Singapore
| | - Emily Dorairaj
- Charles E. Schmidt College of Medicine, Florida Atlantic University, Boca Raton, FL 33431, USA;
| | - Syril Dorairaj
- Department of Ophthalmology, Mayo Clinic, Jacksonville, FL 32224, USA;
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Martínez-Plaza E, López-de la Rosa A, Papadatou E, Habib NE, Del Águila-Carrasco AJ, López-Miguel A, Maldonado MJ, Buckhurst PJ. Influence of decentration and tilt of Tecnis ZCB00 on visual acuity and higher order aberrations. Eye (Lond) 2023; 37:1640-1645. [PMID: 36002509 PMCID: PMC10219962 DOI: 10.1038/s41433-022-02211-2] [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: 12/17/2021] [Revised: 06/23/2022] [Accepted: 08/10/2022] [Indexed: 11/08/2022] Open
Abstract
BACKGROUND/OBJECTIVES To determine the influence of decentration and tilt of a pseudophakic aspheric intraocular lens (IOL) on visual acuity (VA) and higher-order aberrations (HOAs), and to analyze the agreement between pupil center/axis and iridocorneal angles center/axis when assessing IOL decentration and tilt. SUBJECTS/METHODS A prospective interventional case series study including thirty-three patients undergoing Tecnis ZCB00 (Abbott Medical Optics) implantation. IOL decentration and tilt with respect to two reference systems (pupil and iridocorneal angles centers/axes), in cartesian (X,Y) and polar (radius/tilt, polar angle/azimuth) coordinates, were assessed with optical coherence tomography. VA and internal and ocular HOAs were evaluated. Multiple linear regression models and intraclass correlation coefficient (ICC) were computed. RESULTS IOL decentration only showed a significant effect on internal HOAs for [Formula: see text] (R2 = 0.20, P = 0.04). IOL decentration with respect to the pupil center showed a significant effect on ocular [Formula: see text] (R2 = 0.18, P = 0.05), [Formula: see text] (R2 = 0.36, P = 0.001) and [Formula: see text] (R2 = 0.24, P = 0.02); and with respect to the center of iridocorneal angles, on ocular [Formula: see text] (R2 = 0.21, P = 0.03), [Formula: see text] (R2 = 0.32, P = 0.003), primary coma (R2 = 0.41, P < 0.001), and coma-like (R2 = 0.40, P = 0.001). Poor agreement between both reference systems was found for IOL decentration measurements (ICC ≤ 0.41), except for the polar angle coordinate (ICC = 0.83). Tilt measurements showed good agreement (ICC ≥ 0.75). CONCLUSIONS Tecnis ZCB00 decentration and tilt values after uneventful implantation appear not to have influence on VA, and their effect on HOAs are not high enough to clinically affect quality of vision. Pupil and iridocorneal angles used as reference systems may be interchangeable for IOL tilt measurements, but not for decentration.
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Affiliation(s)
- Elena Martínez-Plaza
- Instituto de Oftalmobiología Aplicada (IOBA), Universidad de Valladolid, Valladolid, Spain
- Red Temática de Investigación Colaborativa en Oftalmología (OftaRed), Instituto de Salud Carlos III, Madrid, Spain
| | | | | | - Nabil E Habib
- Royal Eye Infirmary, University Hospitals Plymouth NHS Trust, Plymouth, UK
| | | | - Alberto López-Miguel
- Instituto de Oftalmobiología Aplicada (IOBA), Universidad de Valladolid, Valladolid, Spain.
- Red Temática de Investigación Colaborativa en Oftalmología (OftaRed), Instituto de Salud Carlos III, Madrid, Spain.
| | - Miguel J Maldonado
- Instituto de Oftalmobiología Aplicada (IOBA), Universidad de Valladolid, Valladolid, Spain
- Red Temática de Investigación Colaborativa en Oftalmología (OftaRed), Instituto de Salud Carlos III, Madrid, Spain
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Borkenstein AF, Borkenstein EM, Luedtke H, Schmid R. Impact of decentration and tilt on spherical, aberration correcting and specific aspherical intraocular lenses; an optical bench analysis. Ophthalmic Res 2022; 65:425-436. [PMID: 35144263 DOI: 10.1159/000522510] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 02/07/2022] [Indexed: 11/19/2022]
Abstract
Introduction The human eye is not optically symmetrical, and very few IOLs are perfectly centered in the eye. That is why contrast sensitivity can degrade in some conditions, especially in low light. In an optical bench analysis, we compare spherical (A), aberration correcting (B) and specific aspherical lenses (C) in terms of impact of decentration and tilt on the modulation transfer function as well as the simulated overall quality with USAF test targets. MATERIAL AND METHODS The OptiSpheric IOL PRO2 was used to measure the optical performance of IOLs (A,B,C). In order to assess the optical quality of the IOLs, the optical quality parameters for the aperture size of 3.0 mm and 4.5 mm at the IOL plane were assessed. Through Frequency Modulation Transfer Function (MTF) and Strehl Ratio (SR) values, as well as the "US Airforce 1951 resolution test chart images" as qualitative simulation, were analyzed. All measurements (ISO) were repeated and done for centered, decentered (1mm) and tilted (5°) IOLs. RESULTS Centered: The MTF (mean) at 50 lp/mm (IOL A, B, C) with 3.0 mm aperture was 0.794/0.716/0.797 (ISO 1 cornea) and 0.673/0.752/0.723 (ISO 2 cornea) and with 4.5 mm aperture 0.728/0.365/0.751 (ISO 1) and 0.276/0.767/0.505 (ISO 2). The Strehl ratio (mean) with 3.0 mm aperture was 0.763/0.829/0.898 and with 4.5 mm aperture 0.228/0.386/0.432. Decentered by 1mm: The MTF (mean) at 50 lp/mm with 3.0 mm aperture was 0.779/0.459/0.726 (ISO 1) and 0.695/0.381/0.662 (ISO 2). The MTF (mean) at 50 lp/mm with 4.5 mm aperture was 0.732/0.348/0.653 (ISO 1) and 0.355/0.069/0.346 (ISO 2). The Strehl ratio (mean) with 3.0 mm aperture was 0.829/0.543/0.397 and with 4.5 mm aperture 0.259/0.145/0.192. Tilted by 5 degree: The MTF (mean) at 50 lp/mm with 3.0 mm aperture was 0.731/0.705/0.751 (ISO 1) and 0.623/0.727/0.732 (ISO 2). The MTF (mean) at 50 lp/mm with 4.5 mm aperture was 0.579/0.406/0.701 (ISO 1) and 0.277/0.512/0.429 (ISO 2). The Strehl ratio (mean) with 3.0 mm aperture 0.539/0.478/0.514 and with 4.5 mm aperture 0.262/0.136/0.201. CONCLUSION Aberration correcting IOLs perform best when perfectly centered. The optical performance of aberration correcting IOLs can be markedly downgraded by misalignment. The examined ZO optic performed well in decentration and tilt. The ZO concept seems to be a good alternative to aspheric lenses, as it achieves to combine benefits of spherical and aspheric intraocular lenses. There is no perfect IOL, but fitting and choosing the right one for the individual case seems to be crucial to take advantage of benefits and minimize disadvantages. This is why knowledge of optical properties is also mandatory for the surgeon.
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Affiliation(s)
- Andreas F Borkenstein
- Borkenstein & Borkenstein, Private Practice at Privatklinik der Kreuzschwestern Graz, Graz, Austria
| | - Eva-Maria Borkenstein
- Borkenstein & Borkenstein, Private Practice at Privatklinik der Kreuzschwestern Graz, Graz, Austria
| | - Holger Luedtke
- Accuratis, Practice for Refractive Eye Surgery, Ulm, Germany
| | - Ruediger Schmid
- Accuratis, Practice for Refractive Eye Surgery, Ulm, Germany
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Ullrich M, Ruiss M, Hienert J, Pilwachs C, Fisus AD, Georgiev S, Hirnschall N, Findl O. Anterior chamber depth variability between 2 hydrophobic acrylic 1-piece intraocular lenses: randomized trial. J Cataract Refract Surg 2021; 47:1460-1465. [PMID: 33929807 DOI: 10.1097/j.jcrs.0000000000000668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 03/27/2021] [Indexed: 11/26/2022]
Abstract
PURPOSE To analyze the difference in anterior chamber depth (ACD) after uneventful cataract surgery between 2 hydrophobic acrylic 1-piece intraocular lenses (IOLs) with different material properties. SETTING Hanusch Hospital, Vienna, Austria. DESIGN Single-center, bilateral randomized paired-eye controlled study. METHODS Patients scheduled for bilateral cataract surgery were randomized to receive the Clareon IOL in 1 eye and the AcrySof IQ IOL (both Alcon Laboratories, Inc.) in the contralateral eye. Preoperatively, a slitlamp examination, optical biometry (IOLMaster 700, Carl Zeiss Meditec AG), refraction, and visual acuity measurements were performed. ACD was assessed 1 hour and 1 week postoperatively and with additional measurement of uncorrected (UDVA) and corrected distance visual acuity (CDVA) 6 months postoperatively. RESULTS 80 eyes of 40 patients were analyzed in this study. ACD at the 6-month follow-up was 3.94 ± 0.30 mm for the Clareon IOL and 3.91 ± 0.32 mm for the AcrySof IQ IOL (P = .08). Statistically significant differences in the ACD shift between both IOLs were detected between 1 week and 6 months (P = .04) and 1 hour and 6 months (P = .04). There were no statistically significant differences between both IOLs in UDVA (P = .78), CDVA (P = .59), and spherical equivalent (SE, P = .39) at the 6-month visit. The mean absolute error between the measured and the aimed SE was not significant (P = .97). CONCLUSIONS There was no clinically relevant difference in ACD between the Clareon IOL and the AcrySof IQ IOL in patients after uneventful cataract surgery. Both IOLs yielded good refraction and visual acuity outcomes.
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Affiliation(s)
- Marlies Ullrich
- From the VIROS-Vienna Institute for Research in Ocular Surgery, a Karl Landsteiner Institute, Hanusch Hospital, Vienna, Austria
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Zhong Y, Zhu Y, Wang W, Wang K, Liu X, Yao K. Femtosecond laser-assisted cataract surgery versus conventional phacoemulsification: comparison of internal aberrations and visual quality. Graefes Arch Clin Exp Ophthalmol 2021; 260:901-911. [PMID: 34636992 DOI: 10.1007/s00417-021-05441-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 10/01/2021] [Accepted: 10/01/2021] [Indexed: 01/19/2023] Open
Abstract
PURPOSE To compare the internal aberrations and optical quality after femtosecond laser-assisted cataract surgery (FLACS) and conventional phacoemulsification cataract surgery (CPCS). METHODS This study included patients who received FLACS or CPCS from January 2016 to July 2019. Postoperative examinations included wavefront measurements under pupil diameters of 3.0 mm and 5.0 mm, intraocular lens (IOL) decentration, visual acuity (VA), and refractive outcomes. Visual quality was measured with Strehl ratio and modulation transfer function (MTF). Subgroup analyses were conducted based on monofocal or multifocal-extended depth of focus (EDOF) IOL. RESULTS The study consisted of 221 eyes (105 eyes in FLACS and 116 eyes in CPCS). With a pupil diameter of 5.0 mm, FLACS demonstrated a significantly lower root mean square of total internal aberration (P = 0.004), higher order aberrations (HOAs) (P = 0.034), tilt (P = 0.049), coma (P = 0.004), and spherical aberration (P = 0.014). IOL tilt was found to be positively correlated with total internal aberration (P < 0.001), HOAs (P < 0.001), and coma (P < 0.001). The FLACS group presented significantly smaller IOL decentration than the CPCS group (P < 0.001), but there were no significant differences in terms of VA and refractive outcomes between groups. In the multifocal-EDOF subgroup, Strehl ratio and MTF values were significantly higher in the femtosecond group with a 3.0-mm pupil. CONCLUSION FLACS induced significantly lower values of IOL tilt, decentration, and internal aberrations compared with the CPCS group with a pupil diameter of 5.0 mm, while no significant differences were found in the VA or optical quality over long-term observation. TRIAL REGISTRATION This trial was registered at www.chictr.org.cn (registration number ChiCTR2000038965).
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Affiliation(s)
- Yueyang Zhong
- Eye Center of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88 Jiefang Road, Hangzhou, 310009, Zhejiang Province, China
| | - Yanan Zhu
- Eye Center of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88 Jiefang Road, Hangzhou, 310009, Zhejiang Province, China
| | - Wei Wang
- Eye Center of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88 Jiefang Road, Hangzhou, 310009, Zhejiang Province, China
| | - Kai Wang
- Eye Center of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88 Jiefang Road, Hangzhou, 310009, Zhejiang Province, China
| | - Xin Liu
- Eye Center of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88 Jiefang Road, Hangzhou, 310009, Zhejiang Province, China
| | - Ke Yao
- Eye Center of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88 Jiefang Road, Hangzhou, 310009, Zhejiang Province, China.
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Takeda A, Hasegawa E, Notomi S, Ishikawa K, Arima M, Murakami Y, Nakao S, Hisatomi T, Sonoda KH. Surgical Outcomes of Contrast Sensitivity and Visual Acuity in Uveitis-Associated Cataract. Clin Ophthalmol 2021; 15:2665-2673. [PMID: 34194221 PMCID: PMC8238536 DOI: 10.2147/opth.s314173] [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] [Received: 04/03/2021] [Accepted: 05/26/2021] [Indexed: 11/23/2022] Open
Abstract
Purpose To evaluate the pre- and post-operative outcomes of phacoemulsification in patients with uveitis-associated cataract in remission, such as conventional visual acuity (VA), photopic and mesopic contrast visual acuity (CVA), and flares in the anterior chamber objectively assessed as intraocular inflammation. Patients and Methods This prospective study included 26 eyes of 19 patients with uveitis and 45 eyes of 26 controls who underwent cataract surgery at the Kyushu University Hospital and Kyushu Medical Center in Fukuoka, Japan, from October 2016 to December 2018. Conventional VA and flare values in the anterior chamber were evaluated preoperatively and 1 and 3 months postoperatively. Photopic and mesopic CVAs were assessed preoperatively and 3 months postoperatively. Results The best-corrected VA (BCVA) was improved significantly from baseline to 1 and 3 months postoperatively in both groups (P < 0.01 in both groups). The mean preoperative 100% and 10% CVAs under the photopic condition were significantly lower in the uveitis group than in the control group (P < 0.05 for both CVA), whereas the mean preoperative 100% CVA under the mesopic condition was comparable between the two groups. Although the mean preoperative 100% and 10% CVAs improved significantly from baseline under both photopic and mesopic conditions in both groups (P < 0.01 in both groups), the postoperative contrast sensitivities under both photopic and mesopic conditions remained lower in the uveitis group than in the control group (P < 0.01 for both conditions). The postoperative complications included recurrence of active inflammation in five eyes and cystoid macular edema in one eye and were managed by topical steroid therapy alone. Conclusion Cataract surgery for uveitis-associated cataracts during remission is well tolerated. However, the present results suggest that amelioration of hemeralopia and/or nyctalopia is not as good as expected after cataract surgery in patients with uveitis.
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Affiliation(s)
- Atsunobu Takeda
- Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.,Department of Ophthalmology, Clinical Research Institute, National Hospital Organization, Kyushu Medical Center, Fukuoka, Japan
| | - Eiichi Hasegawa
- Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shoji Notomi
- Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.,Department of Ophthalmology, Clinical Research Institute, National Hospital Organization, Kyushu Medical Center, Fukuoka, Japan
| | - Keijiro Ishikawa
- Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Mitsuru Arima
- Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.,Department of Ophthalmology, Clinical Research Institute, National Hospital Organization, Kyushu Medical Center, Fukuoka, Japan
| | - Yusuke Murakami
- Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shintaro Nakao
- Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Toshio Hisatomi
- Department of Ophthalmology, Chikushi Hospital, Fukuoka University, Fukuoka, Japan
| | - Koh-Hei Sonoda
- Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.,Department of Ocular Pathology and Imaging Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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Modi S, Lehmann R, Maxwell A, Solomon K, Cionni R, Thompson V, Horn J, Caplan M, Fisher B, Hu JG, Yeu E. Visual and Patient-Reported Outcomes of a Diffractive Trifocal Intraocular Lens Compared with Those of a Monofocal Intraocular Lens. Ophthalmology 2020; 128:197-207. [PMID: 33004211 DOI: 10.1016/j.ophtha.2020.07.015] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 07/02/2020] [Accepted: 07/07/2020] [Indexed: 10/23/2022] Open
Abstract
PURPOSE To evaluate the effectiveness and safety of a trifocal intraocular lens (IOL), the TFNT00 (Alcon, Fort Worth, TX), versus a monofocal IOL, the SN60AT (Alcon). DESIGN Food and Drug Administration-approved, prospective, multicenter, nonrandomized, parallel-group, assessor-masked, confirmatory trial. PARTICIPANTS Patients enrolled were 22 years of age or older with a diagnosis of bilateral cataract with planned removal by phacoemulsification with a clear corneal incision. METHODS Consented participants selected their preferred IOL, which was implanted sequentially into each eye of patients meeting eligibility criteria. MAIN OUTCOME MEASURES The coprimary effectiveness outcomes were mean photopic monocular best-corrected distance visual acuity (BCDVA; 4 m) and distance-corrected near visual acuity (DCNVA; 40 cm) at 6 months after surgery. Secondary effectiveness outcomes included mean monocular distance-corrected intermediate visual acuity (DCIVA; 66 cm) and proportion of participants responding "never" to question 1 of the Intraocular Lens Satisfaction questionnaire (regarding frequency of spectacle use in the past 7 days). Safety outcomes included frequency of "severe" and "most bothersome" visual disturbances. RESULTS Two hundred forty-three patients underwent cataract surgery with bilateral implantation of the TFNT00 (n = 129) or SN60AT (n = 114) and were followed up for 6 months. Noninferiority of TFNT00 to SN60AT in mean photopic monocular BCDVA (95% upper confidence limit of the difference was <0.1 logarithm of the minimum angle of resolution [logMAR] margin), and superiority in mean photopic monocular DCNVA (difference of 0.42 logMAR; P < 0.001) and DCIVA (difference of 0.26 logMAR; P < 0.001) were demonstrated. The proportion of patients never requiring glasses overall was superior for TFNT00 versus SN60AT (80.5% and 8.2%, respectively). Starbursts, halos, and glare were the most frequently rated severe symptoms with TFNT00; however, less than 5% of patients were very bothered at month 6. CONCLUSIONS The TFNT00 exhibited superior monocular DCNVA and DCIVA to a spherical monofocal IOL, with comparable monocular BCDVA. Binocular visual acuity was 20/25 or better for distance to near (+0.5 D to -2.5 D), resulting in high levels of spectacle independence. Less than 5% of patients were very bothered by the photic visual disturbances associated with the TFNT00 at 6 months after surgery.
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Affiliation(s)
| | | | | | - Kerry Solomon
- Carolina Eyecare Physicians, LLC, Mount Pleasant, South Carolina
| | | | | | | | | | - Bret Fisher
- Eye Center of North Florida, Panama City, Florida
| | - Jerry G Hu
- Texas Eye and Laser Center, Hurst, Texas
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Update on the Use of Premium Intraocular Lenses in Glaucoma. CURRENT OPHTHALMOLOGY REPORTS 2019. [DOI: 10.1007/s40135-019-00215-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Vivekanand U, Kamath YS. A comparison of the contrast sensitivity function between age-matched phakic emmetropes and pseudophakic individuals with aspheric intraocular lenses. Taiwan J Ophthalmol 2019; 9:33-36. [PMID: 30993065 PMCID: PMC6432853 DOI: 10.4103/tjo.tjo_122_17] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
PURPOSE: The purpose of this study is to compare the contrast sensitivity function (CSF) between eyes of age-matched individuals with aspheric intraocular lens (IOL) and emmetropia. METHODS: A prospective hospital-based case–control study in South India was conducted to study the CSF in the eyes of patients between the ages of 50–60 years. The CSF was compared between those with emmetropia and those implanted with an indigenous aspheric IOL. Twenty-five consecutive patients were recruited in both groups. The independent sample t-test was used for analysis. RESULTS: The mean age was 53.08 ± 1.96 years and 57.68 ± 2.85 years in normal emmetropes and emmetropic pseudophakic with aspheric IOL, respectively. The mean CSF showed a statistically significant difference (P < 0.000) between the normal emmetropic eyes and pseudophakic eyes with the values being 1.91 and 1.572, respectively. CONCLUSION: The CSF was significantly better in the eyes of age-matched normal emmetropes when compared to those with an aspheric IOL implanted.
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Affiliation(s)
- Undrakonda Vivekanand
- Department of Ophthalmology, Alluri Sitaramaraju Academy of Medical Sciences, Eluru, Andhra Pradesh, India
| | - Yogish Subraya Kamath
- Department of Ophthalmology, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, Karnataka, India
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Chen Y, Wang X, Zhou CD, Wu Q. Evaluation of visual quality of spherical and aspherical intraocular lenses by Optical Quality Analysis System. Int J Ophthalmol 2017; 10:914-918. [PMID: 28730082 DOI: 10.18240/ijo.2017.06.13] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Accepted: 01/20/2017] [Indexed: 12/12/2022] Open
Abstract
AIM To evaluate the impact of spherical and aspherical intraocular lenses on the postoperative visual quality of age-related cataract patients using Optical Quality Analysis System (OQAS). METHODS Seventy-four eyes with age-related cataracts were randomly divided into spherical and aspherical lens implantation groups. Best-corrected visual acuity (BCVA) was measured preoperatively, one day, one week, two weeks, one month and two months after surgery. A biometric systems analysis using the OQAS objective scattering index (OSI) was performed. RESULTS There were no significant differences in visual acuity (P>0.05) before and after spherical and aspheric lens implantation. There was a negative linear correction between the OSI value and BCVA (r=-0.634, P=0.000), and positive corrections between the OSI value and the lens LOCUS III value of nucleus color (NC), nucleus opacity (NO), cortex (C) and posterior lens capsular (P) (r=0.704, P=0.000; r=0.514, P=0.000; r=0.276, P=0.020; r=0.417, P=0.000, respectively). OSI values of spherical vs aspherical lenses were 11.5±3.6 vs 11.8±3.4, 4.1±0.9 vs 3.3±0.8, 3.5±0.9 vs 2.7±0.7, 3.3±0.8 vs 2.6±0.7, 3.2±0.7 vs 2.5±0.8, and 3.2±0.8 vs 2.5±0.8 before and 1d, 1, 2wk, 1 and 2mo after surgery, respectively. All time points varied significantly (P<0.01) between the two groups. CONCLUSION Aspherical IOLs does not significantly affect visual acuity compared with spherical IOLs. The OSI value, was significantly lower in the aspherical lens group compared with the spherical lens. This study shows that objective visual quality of aspheric IOLs is better than that of the spherical lens by means of OQAS biological measurement method.
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Affiliation(s)
- Yan Chen
- Department of Ophthalmology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Xue Wang
- Department of Ophthalmology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Chuan-Di Zhou
- Department of Ophthalmology, Shanghai Jiao Tong University Affiliated First People's Hospital, Shanghai 200080, China
| | - Qiang Wu
- Department of Ophthalmology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
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Raina UK, Gupta A, Bhambhwani V, Bhushan G, Seth A, Ghosh B. The Optical Performance of Spherical and Aspheric Intraocular Lenses in Pediatric Eyes: A Comparative Study. J Pediatr Ophthalmol Strabismus 2015; 52:232-8. [PMID: 26043004 DOI: 10.3928/01913913-20150520-03] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Accepted: 02/04/2015] [Indexed: 11/20/2022]
Abstract
PURPOSE To compare the optical performance of aspheric intraocular lenses (IOLs) designed to correct the corneal spherical aberration versus spherical IOLs in pediatric eyes after cataract surgery. METHODS In this prospective study, 40 eyes of patients 6 to 16 years old with developmental cataract were randomly assigned to receive a spherical IOL or an aspheric IOL after pediatric cataract surgery. At 3 months postoperatively, the outcomes compared between the two groups were best-corrected visual acuity, contrast sensitivity, and wavefront aberrometry. RESULTS The mean best-corrected visual acuity was 0.32 ± 0.19 logMAR in the spherical IOL group and 0.28 ± 0.16 logMAR in the aspheric IOL group (P = .179). The aspheric IOL group showed better contrast sensitivity at 1.5, 3, and 6 cycles per degree than the spherical IOL group (P < .05). Total ocular aberrations, higher-order aberrations, and spherical aberrations were significantly lower in the aspheric IOL group (P < .05). CONCLUSIONS The results suggest that aspheric IOLs compensate for the spherical aberration of pediatric eyes. In comparison to spherical IOLs, eyes with aspheric IOLs had decreased ocular aberrations, particularly spherical aberration, which contributed to better contrast sensitivity in these eyes. Further studies are required to evaluate the role of aspheric IOLs in children.
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Rajabi MT, Korouji S, Farjadnia M, Naderan M, Rajabi MB, Khosravi B, Tabatabaie SM. Higher order aberration comparison between two aspherical intraocular lenses: MC6125AS and Akreos advanced optics. Int J Ophthalmol 2015; 8:565-8. [PMID: 26086009 DOI: 10.3980/j.issn.2222-3959.2015.03.23] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2013] [Accepted: 09/23/2014] [Indexed: 11/02/2022] Open
Abstract
AIM To compare higher order aberrations in two aspherical intraocular lenses (IOLs): Akreos advanced optics (AO) and Dr. Schmidt Microcrystalline 6125 aspheric anterior surface (MC6125AS) with each other. METHODS Forty eyes of 39 patients underwent phacoemulsification and Akreos AO and MC6125AS were implanted in their eyes in a random manner. Three months post-operatively, higher order aberrations including spherical aberration, coma aberration, and total aberrations were measured and compared. RESULTS The total aberration was 0.24±0.17 in eyes with Dr. Schmidt and 0.20±0.01 in eyes with Akreos AO (P=0.361). The mean of coma aberration was 0.17±0.21 and 0.09±0.86 in Dr. Schmidt and Akreos lenses, respectively (P=0.825). Total spherical aberration was almost the same in both groups (Mean: 0.05, P=0.933). Best corrected visual acuity in Akreos AO (0.10±0.68) and Dr. Schmidt (0.09±0.67) did not differ significantly (P=0.700). CONCLUSION There is no statistically significant difference in the higher order aberrations between these two aspherical lenses.
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Affiliation(s)
- Mohammad Taher Rajabi
- Eye Research Center, Farabi Eye Hospital, Qazvin Square, Tehran University of Medical Sciences, Tehran 1336616351, Iran
| | - Sara Korouji
- Eye Research Center, Farabi Eye Hospital, Qazvin Square, Tehran University of Medical Sciences, Tehran 1336616351, Iran
| | - Mahgol Farjadnia
- Eye Research Center, Farabi Eye Hospital, Qazvin Square, Tehran University of Medical Sciences, Tehran 1336616351, Iran
| | - Mohammad Naderan
- Eye Research Center, Farabi Eye Hospital, Qazvin Square, Tehran University of Medical Sciences, Tehran 1336616351, Iran
| | - Mohammad Bagher Rajabi
- Eye Research Center, Farabi Eye Hospital, Qazvin Square, Tehran University of Medical Sciences, Tehran 1336616351, Iran
| | - Bahram Khosravi
- Eye Research Center, Farabi Eye Hospital, Qazvin Square, Tehran University of Medical Sciences, Tehran 1336616351, Iran
| | - Seyed Mehdi Tabatabaie
- Eye Research Center, Farabi Eye Hospital, Qazvin Square, Tehran University of Medical Sciences, Tehran 1336616351, Iran
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Schuster AK, Tesarz J, Vossmerbaeumer U. Ocular wavefront analysis of aspheric compared with spherical monofocal intraocular lenses in cataract surgery: Systematic review with metaanalysis. J Cataract Refract Surg 2015; 41:1088-97. [DOI: 10.1016/j.jcrs.2015.04.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2014] [Revised: 05/05/2014] [Accepted: 07/17/2014] [Indexed: 11/26/2022]
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Han KE, Yoon SC, Ahn JM, Nam SM, Stulting RD, Kim EK, Seo KY. Evaluation of dry eye and meibomian gland dysfunction after cataract surgery. Am J Ophthalmol 2014; 157:1144-1150.e1. [PMID: 24561172 DOI: 10.1016/j.ajo.2014.02.036] [Citation(s) in RCA: 105] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2013] [Revised: 02/11/2014] [Accepted: 02/11/2014] [Indexed: 11/16/2022]
Abstract
PURPOSE To evaluate dry eye and meibomian gland dysfunction after cataract surgery. DESIGN Prospective observational case series. METHODS We studied 58 eyes of 48 patients who underwent phacoemulsification and evaluated them preoperatively and at 1 month and 3 months postoperatively. Ocular symptom scores, lid margin abnormalities, superficial punctate keratopathies (SPKs), tear film break-up time (TBUT), Schirmer test, lower tear meniscus height, depth, and area using Fourier domain optical coherence tomography, meibum expressibility and images of the meibomian glands using meibography were measured. RESULTS The ocular symptom scores were worse at 1 month and 3 months postoperatively (P < 0.001 and P < 0.001, respectively). Lid margin abnormalities were significantly increased (P < 0.001 and P < 0.001, respectively) and TBUT decreased postoperatively (P < 0.001 and P < 0.001, respectively). Meibum expressibility decreased at 3 months postoperatively (P = 0.016); however, meibography score, SPK, lower tear meniscus height, depth and area and the Schirmer test did not change significantly postoperatively (all P values >0.05). CONCLUSION Meibomian gland function may be altered without accompanying structural changes after cataract surgery.
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Affiliation(s)
- Kyung Eun Han
- Department of Ophthalmology, Hallym University College of Medicine, Chuncheon Sacred Heart Hospital, Chuncheon, South Korea
| | - Sang Chul Yoon
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, South Korea
| | | | - Sang Min Nam
- Department of Ophthalmology, CHA Bundang Medical Center, CHA University College of Medicine, Sungnam, South Korea
| | - R Doyle Stulting
- Stulting Research Center, Woolfson Eye Institute, Atlanta, Georgia, USA
| | - Eung Kweon Kim
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, South Korea
| | - Kyoung Yul Seo
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, South Korea.
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Optical quality of aspheric toric intraocular lenses at different degrees of decentering. Graefes Arch Clin Exp Ophthalmol 2014; 252:969-75. [DOI: 10.1007/s00417-014-2629-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Revised: 03/04/2014] [Accepted: 03/28/2014] [Indexed: 01/19/2023] Open
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Optical quality comparison between spherical and aspheric toric intraocular lenses. Eur J Ophthalmol 2014; 24:699-706. [PMID: 24519505 DOI: 10.5301/ejo.5000440] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/21/2014] [Indexed: 11/20/2022]
Abstract
PURPOSE To measure and compare the optical quality of spherical and aspheric toric intraocular lenses (IOLs). METHODS Wavefront aberrations of AcrySof Toric and IQ Toric IOLs (Alcon Laboratories) for different powers were measured at 3- and 5-mm pupils by Nimo TR0805 instrument. The Zernike coefficients of trefoil, coma, tetrafoil, secondary astigmatism, and spherical aberration were evaluated. The point spread functions (PSFs) of each IOL evaluated were calculated from the wavefront aberrations. The PSF images also were calculated from the IOL wavefront aberrations, adding the cornea's aberrations to simulate the optical quality after their implantation. RESULTS Spherical toric IOLs showed positive and aspheric toric IOLs negative spherical aberrations. Statistically significant differences were found in spherical aberration root mean square (RMS) values between spherical and aspheric IOLs for both pupil sizes (p<0.05). Aspheric toric IOLs showed higher spherical aberration RMS values. We found differences in PSF images between both IOL designs at 5-mm pupil. The PSFs corresponding to the aspheric toric IOLs showed more spread out than the PSFs corresponding to the spherical toric IOLs. However, when corneal aberrations were added, aspheric toric IOLs showed better optical quality than spherical toric IOLs. CONCLUSIONS At 3-mm pupil, the optical quality between the IOL designs was similar, but at 5-mm pupil the optical quality was higher for spherical IOLs than aspheric IOLs. However, when theoretical corneal aberrations were added, aspheric toric IOLs showed better optical quality than spherical toric IOLs, due to the compensation between aspheric toric IOL negative spherical aberration and corneal positive spherical aberration.
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Packer M. Multifocal intraocular lens technology: biomaterial, optical design and review of clinical outcomes. EXPERT REVIEW OF OPHTHALMOLOGY 2014. [DOI: 10.1586/eop.11.40] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Hasegawa Y, Okamoto F, Nakano S, Hiraoka T, Oshika T. Effect of preoperative corneal astigmatism orientation on results with a toric intraocular lens. J Cataract Refract Surg 2013; 39:1846-51. [PMID: 24140375 DOI: 10.1016/j.jcrs.2013.06.019] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2013] [Revised: 05/08/2013] [Accepted: 06/02/2013] [Indexed: 11/29/2022]
Abstract
PURPOSE To compare the Acrysof IQ toric intraocular lens (IOL) and the Acrysof IQ aspheric nontoric IOL and evaluate the effect of preoperative corneal astigmatism orientation on results. SETTING Department of Ophthalmology, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan. DESIGN Comparative case series. METHODS This retrospective chart review comprised patients with cataract and preoperative corneal astigmatism between 1.0 diopter (D) and 2.5 D having toric IOL (toric group) or aspheric nontoric IOL (nontoric group) implantation. Eyes were grouped depending on the preoperative axis of corneal astigmatism; that is, with the rule (WTR), against the rule (ATR), and oblique. Preoperative and postoperative analyses included uncorrected (UDVA) and corrected (CDVA) distance visual acuities and cylindrical power preoperatively and 3 months postoperatively. RESULTS The postoperative CDVA was not significantly different between the 2 IOLs; however, the postoperative UDVA was significantly better in the toric group than in the nontoric group (P<.0001). The postoperative residual cylindrical power was significantly smaller in the toric group (P<.0001). In eyes with ATR and oblique astigmatism, the mean postoperative UDVA was significantly better in the toric group, whereas there were no differences between the 2 groups in patients with WTR astigmatism. CONCLUSIONS There was significant improvement in postoperative cylinder and UDVA with toric IOLs compared with nontoric IOLs. With a superior corneal incision, the benefits of astigmatism correction with the toric IOL were more significant in patients with ATR and oblique astigmatism than in those with WTR astigmatism.
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Affiliation(s)
- Yumi Hasegawa
- From the Department of Ophthalmology (Hasegawa, Okamoto, Hiraoka, Oshika), Faculty of Medicine, University of Tsukuba, and Ryugasaki Saiseikai Hospital (Hasegawa, Nakano), Ibaraki, Japan
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Contrast sensitivity basics and a critique of currently available tests. J Cataract Refract Surg 2013; 39:1100-6. [DOI: 10.1016/j.jcrs.2013.05.001] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2012] [Revised: 11/21/2012] [Accepted: 12/16/2012] [Indexed: 11/21/2022]
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Schuster AK, Tesarz J, Vossmerbaeumer U. The impact on vision of aspheric to spherical monofocal intraocular lenses in cataract surgery: a systematic review with meta-analysis. Ophthalmology 2013; 120:2166-75. [PMID: 23751220 DOI: 10.1016/j.ophtha.2013.04.011] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2012] [Revised: 04/06/2013] [Accepted: 04/09/2013] [Indexed: 10/26/2022] Open
Abstract
PURPOSE To provide a summary of the impact on vision of an aspheric intraocular lens (IOL) compared with a spherical IOL in cataract surgery. DESIGN Systematic review with meta-analysis. PARTICIPANTS Patients from published randomized controlled trials (RCTs) of cataract surgery with aspheric compared with spherical monofocal IOL implantation. METHODS We systematically searched the peer-reviewed literature in MEDLINE, EMBASE, Web of Science, BIOSIS, and the Cochrane Library according to the Cochrane Collaboration method to identify relevant RCTs. The inclusion criteria were RCTs on cataract surgery comparing the use of aspheric versus spherical IOL implantation that assessed visual acuity, contrast sensitivity, or quality of vision. The effects were calculated as mean differences or standardized mean differences (Hedges' g) and pooled using random-effect models. MAIN OUTCOME MEASURES Best-corrected visual acuity (BCVA), contrast sensitivity, and subjective perception of the quality of vision. RESULTS Forty-three studies provided data and were included, comprising 2076 eyes implanted with aspheric IOLs and 2034 eyes implanted with spherical IOLs. The BCVA showed a significant difference for aspheric IOLs (-0.01 logarithm of the minimum angle of resolution; 95% confidence interval [CI], -0.02 to -0.00). For contrast sensitivity, a significant advantage for aspheric IOLs was found under photopic and mesopic light conditions (photopic: Hedges' g 0.42, 95% CI 0.24-0.61 (3 cycles per degree [cpd]) to 0.53, 95% CI 0.33-0.73 (12 cpd); mesopic: Hedges' g 0.49, 95% CI 0.23-0.75 (1.5 cpd) to 0.76, 95% CI 0.52-1.00 (18 cpd)). Questionnaires targeting the subjective perception of quality of vision yielded less conclusive results. CONCLUSIONS Overall, a patient may achieve better contrast sensitivity with an aspheric IOL than with a spherical IOL, especially under dim light. There was no clinically relevant difference in BCVA between aspheric and spherical IOL implantation. The findings on the subjective perception of visual quality were heterogeneous with no clear result favoring either option.
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Affiliation(s)
- Alexander K Schuster
- Mannheim Institute for Public Health, Social and Preventive Medicine, Medical Faculty Mannheim, University of Heidelberg, Heidelberg, Germany; Medical Physics, Mannheim Medical School, University of Heidelberg, Heidelberg, Germany.
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Ichhpujani P, Bhartiya S, Sharma A. Premium IOLs in Glaucoma. J Curr Glaucoma Pract 2013; 7:54-7. [PMID: 26997783 PMCID: PMC4741180 DOI: 10.5005/jp-journals-10008-1138] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2012] [Accepted: 10/02/2012] [Indexed: 11/30/2022] Open
Abstract
Advanced technology or premium intraocular lenses have been developed to meet the patient expectations of perfect distance and near vision without the need for spectacles. Careful patient selection is critical when implanting these implants. This brief review focusses mainly on multifocal and toric IOLs and their application and limitations in patients with glaucoma. How to cite this article: Ichhpujani P, Bhartiya S, Sharma A. Premium IOLs in Glaucoma. J Current Glau Prac 2013;7(2): 54-57.
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Affiliation(s)
- Parul Ichhpujani
- Assistant Professor, Glaucoma Services, Department of Ophthalmology Government Medical College and Hospital, Chandigarh, India
| | - Shibal Bhartiya
- Glaucoma Faculty, Department of Ophthalmology, Fortis Memorial, Research Institute, Gurgaon, Haryana, India
| | - Anuj Sharma
- Junior Resident, Department of Ophthalmology Government Medical College and Hospital, Chandigarh, India
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Nanavaty MA, Spalton DJ, Gala KB, Dhital A, Boyce J. Effect of intraocular lens asphericity on posterior capsule opacification between two intraocular lenses with same acrylic material: a fellow-eye study. Acta Ophthalmol 2012; 90:e104-8. [PMID: 22067557 DOI: 10.1111/j.1755-3768.2011.02286.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
PURPOSE To evaluate intra-individual differences in posterior capsule opacification (PCO) and visual performance between spherical AcrySof SN60AT and an aspheric AcrySof SN60WF intraocular lens (IOL) with a posterior aspheric surface, both of which are made of same hydrophobic acrylic material. SETTING Ophthalmology Department, St Thomas' Hospital, London, UK. METHODS In this prospective randomized, fellow-eye comparison, an aspheric IOL, which is 9% thinner in comparison with the spherical IOL, was randomized to the first eye of 47 patients and fellow-eye surgery was performed within 3 weeks. Follow-up was at 1, 3, 6, 12 and 24 months. Corrected logMAR visual acuity (CDVA) was measured at 100% and 9% contrast. After pupil dilation, digital retroillumination photographs were taken and the mean PCO percentage was calculated using poco software at each follow-up visit. RESULTS At 1, 3, 6, 12 and 24 months, 47 (94 eyes), 44 (88 eyes), 42 (84 eyes) and 41 (82 eyes) patients were followed-up respectively. Hundred per cent and 9% of LogMAR CDVA was not significantly different between the two IOLs (p = NS at all time-points). Percentage area PCO scores (mean ± SD) at 1, 3, 6, 12 and 24 months with the spherical IOL was 5.82 ± 9.89, 7.76 ± 16.83, 7.21 ± 12.46, 9.29 ± 18.25 and 14.39 ± 25.42, respectively, and with an aspheric IOL was 8.91 ± 12.79, 5.97 ± 10.32, 5.15 ± 7.92, 7.68 ± 11.18 and 12.18 ± 20.10, respectively (p = NS at all time-points). CONCLUSIONS Posterior capsule opacification was not significantly different between the spheric and aspheric IOLs in this fellow-eye, randomized comparison. Additional asphericity on the existing model of IOL does not influence PCO performance.
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Affiliation(s)
- Mayank A Nanavaty
- Department of Ophthalmology, St Thomas' Hospital, London SE1 7EH, UK.
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Tassignon MJ, Gobin L, Mathysen D, Van Looveren J, De Groot V. Clinical outcomes of cataract surgery after bag-in-the-lens intraocular lens implantation following ISO standard 11979-7:2006. J Cataract Refract Surg 2012; 37:2120-9. [PMID: 22108108 DOI: 10.1016/j.jcrs.2011.06.025] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2011] [Revised: 05/30/2011] [Accepted: 06/06/2011] [Indexed: 10/15/2022]
Abstract
PURPOSE To assess the clinical outcomes of bag-in-the-lens intraocular lens (BIL IOL) implantation following the International Organization for Standardization (ISO) 11979-7:2006 in pediatric eyes and eyes with ocular comorbidities. SETTING Antwerp University Hospital, Department of Ophthalmology, Antwerp, Belgium. DESIGN Cohort study. METHODS This cohort included the first series of patients having IOL implantation using the bag-in-the-lens technique. Surgeries were performed between December 1999 and September 2006. In addition to IOL implantation, the technique comprised creation of a primary posterior continuous curvilinear capsulorhexis (PCCC) equal in size to the anterior capsulorhexis. RESULTS The study enrolled 807 eyes of 547 patients; 326 of the eyes (40.40%) had ocular comorbidity. In the 481 eyes without ocular comorbidity, the mean decimal corrected distance visual acuity was 0.52 ± 0.24 (SD) (0.276 ± 0.206 logMAR) preoperatively and 0.94 ± 0.18 (-0.012 ± 0.053 logMAR) postoperatively. The mean postoperative achieved spherical equivalent was 0.48 ± 0.83 diopter (D) and the mean targeted refraction, -0.24 ± 0.71 D. The A-constant was modified from 118.4 to 118.04. Posterior capsule opacification (PCO) did not occur in any adult eye during the follow-up. Retinal detachment after IOL implantation occurred in 10 eyes (1.24%). In 19 eyes, the iris was captured by the IOL haptics postoperatively. Hypopyon occurred in 3 patients and toxic anterior segment syndrome in 1 patient. CONCLUSION The BIL IOL met the ISO criteria; that is, primary PCCC was safe in healthy eyes and in eyes with ocular comorbidities and no eye developed PCO over a mean follow-up of 26.1 ± 21.3 months.
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Affiliation(s)
- Marie-José Tassignon
- From Antwerp University Hospital, Department of Ophthalmology and Antwerp University, Faculty of Medicine, Antwerp, Belgium.
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Park JH, Kim MJ, Kim JY, Tchah HW. Estimation of Corneal Spherical Aberration from Topography. JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY 2012. [DOI: 10.3341/jkos.2012.53.11.1559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Jong Hoon Park
- Department of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Myoung Joon Kim
- Department of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jae Yong Kim
- Department of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Hung Won Tchah
- Department of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Lack of Effect of Intraocular Lens Asphericity on Visual Performance with Acrylic Intraocular Lenses. Eur J Ophthalmol 2011; 21:723-31. [DOI: 10.5301/ejo.2011.6356] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/09/2011] [Indexed: 11/20/2022]
Abstract
Purpose. To determine whether implantation of acrylic intraocular lens (IOL) with aspheric design (Tecnis Z9003, AMO) results in improved visual acuity or contrast sensitivity compared with conventional spherical acrylic IOL (AR40e, AMO). Methods. In an intraindividual randomized prospective study of 60 patients with bilateral cataract, the Tecnis Z9003 IOL was compared with the AR40e IOL. Ocular aberrations for a 4.0-mm pupil and 6.0-mm pupil were measured with a Hartmann-Shack aberrometer. Quality of vision was measured using visual acuity and contrast sensitivity under mesopic and photopic conditions. Results. Eyes with the Tecnis Z9003 IOL had significantly less spherical aberration and greater Strehl ratio after surgery, showing a better optical quality in comparison with the standard spherical IOL. However, visual acuity and both mesopic and photopic contrast sensitivity were not significantly different between the groups. Conclusions. The significantly better optical quality achieved with the aspheric acrylic IOL design did not result in improved visual acuity or contrast sensitivity in comparison with a conventional spherical acrylic IOL.
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McKelvie J, McArdle B, McGhee C. The Influence of Tilt, Decentration, and Pupil Size on the Higher-Order Aberration Profile of Aspheric Intraocular Lenses. Ophthalmology 2011; 118:1724-31. [DOI: 10.1016/j.ophtha.2011.02.025] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2010] [Revised: 02/13/2011] [Accepted: 02/14/2011] [Indexed: 12/18/2022] Open
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van Gaalen KW, Jansonius NM, Koopmans SA, Kooijman AC. Comparison of Optical Performance in Eyes Implanted with Aspheric Foldable, Spherical Foldable, and Rigid PMMA IOLs. J Refract Surg 2011; 27:98-105. [DOI: 10.3928/1081597x-20100413-01] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2009] [Accepted: 03/09/2010] [Indexed: 11/20/2022]
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Jun I, Seo KY, Kim EK, Kim TI. Comparison of Nd:YAG Capsulotomy Rates between Spherical and Aspheric Intraocular Lenses. JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY 2011. [DOI: 10.3341/jkos.2011.52.4.414] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Ikhyun Jun
- The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| | - Kyoung Yul Seo
- The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| | - Eung Kweon Kim
- The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| | - Tae Im Kim
- The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
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Hong X, Choi M. Influence of ocular longitudinal chromatic aberration on the selection of aspheric intraocular lenses. OPTICS EXPRESS 2010; 18:26175-26183. [PMID: 21164967 DOI: 10.1364/oe.18.026175] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Polychromatic defocus could affect the optimal residual spherical aberration that could yield the best image quality for patients with intraocular lenses (IOLs). Modulation transfer functions (MTFs) were generated using a model that included polychromatic defocus. The maximum MTF volume occurred at + 0.05 μm of overall ocular spherical aberration. For 3 case studies, the optimal overall ocular spherical aberration was ~0.05 μm more positive with the contribution of polychromatic defocus than without it. Overall, the model indicated that image quality was usually best when IOLs allowed overall ocular spherical aberration that was slightly positive, rather than strongly positive, zero, or negative.
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Affiliation(s)
- Xin Hong
- Alcon Research, Ltd, 6201 South Freeway, Fort Worth, Texas 76134, USA.
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Choi SK, Kim JH, Lee D, Park SH, Maeda N, Ma KJ. IOL tilt and decentration. Ophthalmology 2010; 117:1862, 1862.e1-4. [PMID: 20816256 DOI: 10.1016/j.ophtha.2010.03.078] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2010] [Accepted: 03/31/2010] [Indexed: 10/19/2022] Open
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Holland EJ. Aspheric toric intraocular lenses for cataractous eyes: correction of corneal cylinder and spherical aberration. EXPERT REVIEW OF OPHTHALMOLOGY 2010. [DOI: 10.1586/eop.10.45] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Contrast sensitivity measurement with 2 contrast sensitivity tests in normal eyes and eyes with cataract. J Cataract Refract Surg 2010; 36:547-52. [DOI: 10.1016/j.jcrs.2009.10.048] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2009] [Revised: 10/15/2009] [Accepted: 10/29/2009] [Indexed: 11/23/2022]
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Roy A, Sahu SK, Kesarwani S. IOL Outcomes. Ophthalmology 2009; 116:2483-4; author reply 2484. [PMID: 19948288 DOI: 10.1016/j.ophtha.2009.08.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2009] [Accepted: 08/13/2009] [Indexed: 11/30/2022] Open
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Trueb PR, Albach C, Montés-Micó R, Ferrer-Blasco T. Author reply. Ophthalmology 2009. [DOI: 10.1016/j.ophtha.2009.08.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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