Abstract
Endothelial cell loss, persistent cystoid macular edema and a chronic low-grade uveitis may complicate intracapsular cataract extraction combined with iris supported intraocular lenses. Clinical examination of 19 eyes of 17 patients, at 1.1 to 5 years after cataract surgery, and correlation with wide field specular microscopy and fluorescein angiography, documents this problem. The mean central corneal endothelial cell count was 497 cells/mm2 (standard deviation, 119). In ten cases, focal edema was localized to the corneal periphery. Cystoid macular edema was present in all but one case. Intermittent cornea/ implant touch or low-grade intraocular inflammation, possibly from iris/implant contact, may explain the natural history of the endothelial cell loss and cystoid macular edema. Monitoring endothelial cell counts and macular function in patients with iris-supported implants may afford the early recognition of this problem. In such cases, early implant removal may alter the natural history and preserve corneal and macular function.
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