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PC IOL gives better vision than AC IOL with vitreous loss in ECCE: study

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More patients with posterior chamber IOLs achieved good vision after vitreous loss in cataract surgery than patients with anterior chamber IOLs, a large prospective study found.

Joseph Collins, ScD, and other members of the Department of Veterans Affairs Cooperative Cataract Study group prospectively studied 438 eyes of 438 patients from 19 VA medical centers. All eyes underwent extracapsular cataract extraction using either phacoemulsification or classical extracap technique, and all experienced vitreous loss during surgery. Patients were randomized to receive either a posterior chamber IOL (230 patients) or an anterior chamber IOL (208 patients). Follow-up was at least one year.

Of the PC IOL patients, 91% achieved a visual acuity of 20/40 or better at year 1. Of the AC IOL patients, 79% achieved a visual acuity of 20/40 or better at 1 year. The difference was statistically significant (P = .003). No significant differences were seen between the groups in patients’ rating of vision or adverse events.

The study is published in the July issue of American Journal of Ophthalmology.