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Research Article | Volume 13 Issue:1 (, 2023) | Pages 1039 - 1043
A Comparative Analysis of Recent Generation Intraocular Lens Power Calculation Formulae to Achieve Emmetropia Following Cataract Surgery by Phacoemulsification
Under a Creative Commons license
Open Access
DOI : 10.5083/ejcm
Published
March 18, 2023
Abstract

Introduction: Cataract affects nearly 9–12 million Indians annually after the age of 50 years. and, this exceeds glaucoma, macular degeneration, and diabetic retinopathy numbers combined. Cataract surgery is the most frequently performed surgery in India, with a success rate of nearly 98% and excellent visual rehabilitation. More than a million intraocular lenses (IOL) are implanted every year. Aims: A Comparative analysis of Recent Generation intraocular lens power calculation formulae to achieve emmetropia following Cataract surgery by phacoemulsification. Materials and methods: The present study was a prospective comparative study. This Study was conducted from October 2022 – February 2023 at Department of Ophthalmology, Venkateshwara Institute of Medical Sciences, Amroha (U.P). 120 patients were included in this study. Result: In our study for small eyes (< 20mm) Haigis group, the mean residual spherical refractive error was 0.68 ± 0.26 and in Holladay group, the mean residual refractive error was 0.83 ± 0.14 which was statistically significant (p=0.0008). In our study for normal eyes of Axial Length 20 to 24mm of in Haigis group the mean residual spherical refraction of the patients was -0.36 ± 0.80 and in Holladay group, the mean residual spherical refraction of the patients was 0.31 ± .63 which was statistically significant (p<0.0001).  In our study for long eyes > 24mm of Axial length, In Haigis group the mean residual refractive error of large eye was -0.50 ± 0.00 and in Holladay group the mean residual error in large eye was 0.12 ± 0.64 which was not statistically significant (p=0.1189). Conclusion: we concluded that, prospective analysis of results showed that Comparing all four IOL formula we had found that in SMALL eyes, NORMAL eyes as well as in LARGE eyes The HOLLADAY IOL formula is having better result followed by HAIGIS

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