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Article
July 1996

Cataract Extraction After Silicone Oil Repair of Retinal Detachments Due to Necrotizing Retinitis

Author Affiliations

From the Bascom Palmer Eye Institute, University of Miami, Miami, Fla (Drs Meldrum, Aaberg, and Davis), and Alcon Labs, Fort Worth, Tex (Dr Patel). Dr Davis was formerly a consultant to Richard-James Inc, Peabody, Mass.

Arch Ophthalmol. 1996;114(7):885-892. doi:10.1001/archopht.1996.01100140099022
Abstract

Cataract is common after silicone oil repair of retinal detachment due to necrotizing retinitis in acquired immunodeficiency syndrome. Surgical management has not been reported. Twenty-two eyes of 19 patients were reviewed. The majority underwent phacoemulsification with a posterior chamber convexoplano implant without iridotomy. Complications included capsular fibrosis and hyphema. Unpredictable refractions in the first 16 eyes prompted refinement of lens calculations and resulted in a reduction in refractive errors. A 3-step modification of intraocular lens calculations is recommended: (1) use of specific sound velocities to calculate axial length; (2) use of convexoplano lenses; and (3) addition of a constant to the lens power to compensate for the refractive index of silicone oil. Good surgical technique and accurate lens calculations should improve management of cataracts that arise after retinal detachment repair with silicone oil in patients with acquired immunodeficiency syndrome.

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