Late postoperative opacification of MemoryLens hydrophilic acrylic intraocular lenses: case series and review
- PMID: 14967277
- DOI: 10.1016/S0886-3350(03)00461-9
Late postoperative opacification of MemoryLens hydrophilic acrylic intraocular lenses: case series and review
Erratum in
- J Cataract Refract Surg. 2004 Jul;30(7):1391
Abstract
Purpose: To report clinical and spectrographic analyses of 2 explanted hydrophilic acrylic intraocular lenses (IOLs).
Setting: John A. Moran Eye Center, Salt Lake City, Utah, USA, and Johannes Gutenberg-University, Department of Ophthalmology, Mainz, Germany.
Methods: We report 6 cases of opacification of MemoryLens IOLs (Ciba Vision) that occurred approximately 2 years after implantation. The anterior and posterior surfaces of the IOLs had a white, frosted appearance, and the IOLs' interior looked brown, similar to the appearance of a brunescent cataract. Two of the IOLs were explanted because of a significant decrease in visual acuity. The IOLs were sent for further clinicopathologic analysis including scanning electron microscopy and energy dispersive x-ray spectroscopy (EDX).
Results: Microscopic analysis revealed multiple, fine, granular deposits of various sizes on the surface of the lens optics. The EDX analysis showed the presence of calcium within the deposits.
Conclusions: Our cases show that hydrophilic acrylic IOLs can opacify even years after implantation. Analysis of the explanted IOLs revealed calcification.
Comment in
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Late calcific deposition on the hydrophilic acrylic MemoryLens.J Cataract Refract Surg. 2005 Sep;31(9):1681. doi: 10.1016/j.jcrs.2005.09.002. J Cataract Refract Surg. 2005. PMID: 16246746 No abstract available.
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