Phakic IOLs safer at 4 years than lens exchange in young high myopes
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In highly myopic eyes of young patients, phakic IOL implantation carried a lower risk of best corrected visual acuity loss than refractive lens exchange at 4 years follow-up, according to a French study.
Jean L. Arne, MD, of Toulouse, compared the two refractive procedures in 39 patients ranging in age from 32 to 49. In his study, 41 eyes of 21 patients received a phakic IOL, and 36 eyes of 18 patients underwent phacoemulsification and IOL implantation. The mean preop refraction was 13.6 D in the phakic IOL group and 16.7 D in the refractive lens exchange (RLE) group.
At 12 months postop, the BCVA had improved in 78% of the eyes in the phakic IOL group and in 83.3% of the eyes in the RLE group. In three eyes in the phakic IOL group, opacification of the crystalline lens developed between 2 and 4 years after implantation. Visual recovery after phaco was excellent, Dr. Arne said. No eye in the IOL group lost one or more lines of BCVA between 1 and 4 years of the initial surgery.
In the RLE group, retinal detachment occurred in two eyes at 39 and 43 months. In those eyes, final visual acuity was counting fingers and 20/200.
The study is published in the October issue of Journal of Cataract & Refractive Surgery.