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Updated: Aug 21, 2026

Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application
Published on: March 8, 2019
Snowflake degeneration of an intraocular lens
Abstract:
Snowflake degeneration of intraocular lenses is a recently recognized late postoperative complication of cataract surgery. All known cases reported to date in the literature have involved polymethyl methacrylate (PMMA) lens optic material. Reported herein is an atypical variant of snowflake degeneration of a PMMA posterior chamber intraocular lens in an 81-year-old woman, 7 years post implantation. The aetiology of the atypical late opacification of the intraocular lens is this case is unclear, and no clinical risk factors appear to have been identified.
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