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Autorefractometer vs manifest refraction after implantation of bioanalogic polyfocal intraocular lens

Poster Details

First Author: D.Krizova CZECH REPUBLIC

Co Author(s):    P. Studeny   M. Hlozanek                 

Abstract Details


To evaluate whether autorefractometry values after implantation of a bioanalogic, polyfocal, intraocular lens (WIOL-CF; Medicem) correlate with manifest refraction values. This information is important mainly for post-operative follow up of patients where autorefractometers are widely used.


Department of Ophthalmology, University Hospital Kralovske Vinohrady and 3rd Medical Faculty Prague, Czech Republic.


Eyes that underwent cataract surgery with implantation of a bioanalogic, polyfocal IOL were retrospectively evaluated in this study. Values from the autorefractometer (Nidek) were compared with the manifest refraction values to determine the correlation between the 2 methods. Spherical and cylindrical refractive errors were collected minimum one month after the surgery.


16 eyes of 8 patients were included in this study. The mean spherical refractive error was +3.57 ±1.649 diopters (D) measured by autorefractometer and -0.03±0.195 D in manifest refraction. The mean cylinder value was -1.69 ±0.93 D and 0.00 D, respectively. The mean SE was +2.72 ±1.29 D and -0.03 ±0.195D, respectively. No statistical correlation was found comparing measurements by autorefractometer and manifest refraction.


The results show that postoperative values measured by autorefractometer cannot be used to estimate the manifest refraction in eyes with bioanalogic, polyfocal IOL.

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