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Visual improvement in adult patients with high myopia and anisometropic amblyopia after phakic anterior chamber Intraocular lens implantation

Poster Details

First Author: J.Lemos PORTUGAL

Co Author(s):    P. Rodrigues   C. Menezes   J. Serino   B. Vieira   R. Goncalves   P. Coelho

Abstract Details


To report 9 cases of visual acuity improvement after phakic anterior chamber intraocular lens (IOL) implantation in high myopic adult patients with anisometropic amblyopia.


Department of Ophthalmology of Hospital Pedro Hispano, Matosinhos, Portugal


Nine eyes of nine patients (8 women and 1 man) with high myopia and anisometropic amblyopia were operated with implantation of phakic anterior chamber IOL (2 Artisan and 7 Artiflex, Ophtec®, with 5 toric IOL) and followed for more than six months. Uncorrected visual acuity (UCVA), best-corrected visual acuity (BCVA), manifest refraction, biomicroscopy, tonometry, central endothelial cell count (ECC) and complications were evaluated.


The mean age of patients was 34.89±6.83 years. The median follow-up time was 11 months. Preoperative mean refraction (spherical equivalent, SE) was -10.06±3.13 diopters (D), and improved to a mean of -0.32±0.31D postoperatively. Mean preoperative BCVA was 0.25±0,11 logarithm of the minimum angle of resolution (logMAR) and improved to a mean BCVA of 0,05±0,06 logMAR at last follow-up (Wilcoxon test, p=0,007). The BCVA improved 2 lines or more in all eyes. The mean endothelial cell loss was 2.02% at last follow-up. Development of cataracts, glaucoma and pupil abnormalities were not demonstrated in any case.


This study indicates that anterior chamber intraocular lens implantation may be an effective surgical alternative for the correction of high myopic adult eyes with anisometropic amblyopia. However, long-term studies are necessary to assess possible complications and safety.

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