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Comparison of multifocal intraocular lens power estimation using auto-keratometer and Pentacam

Poster Details

First Author: J.Han SOUTH KOREA

Co Author(s):    K. Choi                    

Abstract Details

Purpose:

To evaluate the accuracy of multifocal intraocular lens power estimation using autokeratometer and Pentacam

Setting:

Department of Ophthalmology, Severance Hospital, Institute of Vision Research, Yonsei University College of Medicine, Seoul, Korea Department of Ophthalmology, National Health Insurance Service Ilsan Hospital, Goyang, Gyeonggi, Korea

Methods:

99 eyes which underwent cataract surgery with Acrysof® ReSTOR® multifocal intraocular lens were analyzed. Preoperative goal diopter and actual postoperative diopter were compared. The subjects were divided into three groups based on the differences between two values, the refractive errors: -0.50 ~ +0.50 diopters(D) (group 1, n=36), less than -0.50 D (group 2, n=33), and more than +0.50 D (group 3, n=30). The subjects were also divided into another three groups according to the differences between Pentacam and autokeratometer K-values: +0.10 ~ -0.10 D (group A, n=32), less than -0.10D (group B, n=34), and more than +0.10D (group C, n=33).

Results:

Group 2 was inferior in postoperative uncorrected distance visual acuity compared to the other groups. The K-value of Pencatam in group 2 was significantly larger than the values of the other groups. Compared with other groups, group C showed significant myopic shift. With the use of Pentacam K-value, the refractive error decreased in group C.

Conclusions:

Postoperative myopic shift was confirmed when the K-value of Pentacam was larger than the value of autokeratometer. The K-value of Pentacam should be considered in case of the value is larger than the autokeratometer K for precise outcome of multifocal intraocular lens implantation.

Financial Disclosure:

NONE

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