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Retained lens fragments lower visual outcomes

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HONG KONG — Poor visual outcomes can occur after removal of intravitreal retained lens fragments in cases of complicated cataract surgery, a study here found.

Alvin Kwok, FRCS, and colleagues at The Chinese University of Hong Kong conducted a retrospective study of all consecutive cases in which pars plana vitrectomy was performed for retained lens fragments. Of the 27 patients included in the study, 24 had undergone phacoemulsification. Pars plana vitrectomy was performed at the same sitting or from day 1 to day 70 after cataract surgery. Mean follow-up was 31 months. Final visual acuity of 6/12 or better was achieved in 56% of patients. Excluding patients with existing ocular diseases, 68% of patients had visual acuity of 6/12 or better.

Complications after the pars plana vitrectomy included glaucoma (22%), retinal detachment (11%) and surgically induced necrotizing scleritis (4%).

The study is published in the December issue of Clinical & Experimental Ophthalmology.