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Refractive outcome after cataract surgery with IOL master 700 optical biometry versus conventional ultrasonographic biometry

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Original Article

Author Details : B K Gupta, Kanav Gupta, Kritika Garg, Isha Gupta*

Volume : 9, Issue : 3, Year : 2023

Article Page : 418-421

https://doi.org/10.18231/j.ijceo.2023.079

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Abstract

Purpose: To compare the refractive outcomes after phacoemulsification with an Intra ocular lens (IOL) using IOL master 700 optical biometer versus conventional ultrasonographic biometer.
Materials and Methods: A retrospective analysis of patients who underwent phacoemulsification with intra ocular lens implantation between April 2019 and March 2020 was done. Data of 654 eyes (607 patients) was shortlisted and analyzed. IOL power calculation was done with applanation ultrasonographic biometer and IOL Master 700 optical biometer by dividing patients into 2 groups. SRK/T formula was used in both cases for IOL power calculation. Refractive outcomes were determined at least four weeks after the surgery and the results were recorded. Data analysis was done using Microsoft Excel 2017 and SPSS software.
Results: In group A, applanation ultrasonographic biometer was used, 66.9% of patients were having post operative refractive power between ±0 to ±0.75D and in group B IOL Master 700 was done 89.8% of patients, were having post operative refractive power between ±0 to ±0.75D. Thus, refractive outcome was better in Group B eyes (89.80%) as compared to group A eyes (66.90%) and this difference was statistically significant (p value<.001).
Conclusion: Biometry by IOL master 700 improves the refractive outcomes of patients of cataract surgery and is much more accurate than the applanation ultrasonography. It also ensures that the near total emmetropia, post cataract surgery by giving accurate axial length measurements and the better choice of formulas.
 

Keywords: IOL master 700, Visual acuity, Emmetropia, Cataract, Phacoemulsification, Optical biometer

How to cite : Gupta B K, Gupta K, Garg K, Gupta I, Refractive outcome after cataract surgery with IOL master 700 optical biometry versus conventional ultrasonographic biometry. Indian J Clin Exp Ophthalmol 2023;9(3):418-421

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