Silicone Intraocular Lenses During Vitrectomy

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Abstract
To the Editor. —With the growing popularity of silicone intraocular lenses, other vitreoretinal surgeons may encounter the same difficulty we noted in the course of a recent vitrectomy. Our patient had undergone cataract extraction by phacoemulsification with placement of a silicone posterior-chamber intraocular lens (Staar Surgical Co, Monrovia, Calif) 14 months prior to undergoing trans-pars plana vitrectomy for proliferative vitreoretinopathy. Immediately following air/fluid exchange of the vitreous space, the view of the fundus became obscured at the level of the intraocular lens. Fine droplets of residual infusion fluid remained on the posterior surface of the intraocular lens without coalescing. (The central posterior capsule had previously been removed.) An attempt to rewet the surface with additional balanced salt solution resulted in the rapid reformation of many fine droplets due to the poor wetting ability of the silicone in air. A small amount of 1% hyaluronic acid was then applied to the

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