Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/130349
Title: Visually significant opacification of hydrophilic acrylic intraocular lenses - A clinico-pathological analysis
Authors: Yong, V.K.Y.
Netto, P.A.
Heng, W.-J.
Yap, E.-Y.
Lee, H.-M.
Ng, M.M.L. 
Au Eong, K.-G.
Keywords: Acrylic intraocular lens
Hydrophilic
Opacification
Phacoemulsification
Issue Date: Mar-2003
Citation: Yong, V.K.Y., Netto, P.A., Heng, W.-J., Yap, E.-Y., Lee, H.-M., Ng, M.M.L., Au Eong, K.-G. (2003-03). Visually significant opacification of hydrophilic acrylic intraocular lenses - A clinico-pathological analysis. European Journal of Ophthalmology 13 (2) : 147-150. ScholarBank@NUS Repository.
Abstract: PURPOSE. To describe the clinic-pathological analysis of the visually significant opacification of the Cirrus International Hydroflex™ foldable hydrophilic acrylic intraocular lens (IOL) (model SC600-2, Medical Developmental Research Inc., Clearwater, Florida) and to highlight that this IOL is the same model as the Acryflex™ SC600-2 IOL, by the same manufacturer. METHODS. Retrospective review of five eyes of four patients with opacification of their Cirrus International Hydroflex™ foldable hydrophilic acrylic IOLs (model SC600-2) after uncomplicated phacoemulsification and IOL implantation. Two IOLs were explanted from two patients 14 to 24 months after initial implantation. Each explanted lens was divided into equal halves, one half for scanning electron microscopy (SEM) study and the other half for transmission electron microscopy (TEM) examination. SEM and TEM samples were also subjected to energy dispersive x-ray analysis (EDX). RESULTS. The IOL opacification was detected 14 to 24 months after uncomplicated phacoemulsification and IOL implantation. EDX anal]ysis showed that the crystals contained calcium and phosphorus, presumably calcium phosphate. CONCLUSIONS. The Cirrus International Hydroflex™ foldable hydrophilic acrylic IOL (model SC6002) is associated with opacification, that appeared worse centrally than peripherally. This is the same model as the Acryflex™ SC600-2 IOL, made by the same manufacturer. The opacification consists of calcium and phosphate.
Source Title: European Journal of Ophthalmology
URI: http://scholarbank.nus.edu.sg/handle/10635/130349
ISSN: 11206721
Appears in Collections:Staff Publications

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