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  • Title: Opacification of a silicone intraocular lens caused by calcium deposits on the optic.
    Author: Wackernagel W, Ettinger K, Weitgasser U, Bakir BG, Schmut O, Goessler W, Faschinger C.
    Journal: J Cataract Refract Surg; 2004 Feb; 30(2):517-20. PubMed ID: 15030853.
    Abstract:
    We describe opacification of a plate-haptic silicone intraocular lens (IOL) caused by calcification in a diabetic patient with asteroid hyalosis. The IOL was explanted 48 months after uneventful phacoemulsification because opacification of the posterior surface was causing significant visual disturbance. Light and scanning electron microscopy and x-ray spectrometry of the explanted IOL showed the opacification consisted mainly of calcium and phosphate, presumably hydroxyapatite, in the form of precipitations on the posterior surface of the optic.
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