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Document Type

Original Article

Abstract

Background: The most common type of ophthalmic surgery performed nowadays is cataract removal followed by the insertion of an intraocular lens (IOL).Aim: The purpose of this study was to compare the accuracy of predicting refractive outcomes between conventional ultrasonic and IOL master in emmetropic eyes with varying axial lengths (22-24 mm).Subject and Methods: This prospective case study lasted for a total of six months, the period from May 2022 to November 2022 in ophthalmology department of memorial institute of ophthalmology Hospital and sayed galal Hospital, Al-Azhar University scheduled for patients underwent biometry by both IOL Master and ultrasound biometry. All patients underwent phacoemulsification surgery. Three months following cataract surgery, the postoperative visual acuity and refractive error tests were conducted. Results: our study found that the average amount of refractive error by A-Scan was 0.53±SD 0.35 (ranging from 0.05 to 1.24). The mean refractive error as measured by IOL Master was 0.22±SD 0.19 (ranging from 0.03 to 0.74), and Regarding postoperative outcomes, Master intraocular lens patients were not differentiated from A scan patients BCVA while the refractive errors were significantly decreased in intraocular lens Master group, Conclusion: The IOL Master is quick and friendly to be used and does not need an eye contact with no risk of disease transmission and most patients are comfortable with its useThis method yields a more precise axial length measurement, which in turn allows for a more precise calculation of the IOL's power and an improved refractive state after surgery.

Keywords

Conventional Ultrasound biometry; Optical biometry; Intraocular Lens Power; cataractous; emmetropic

Subject Area

Ophthalmology

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