A 94-year-old man presented for a routine examination without any eye concerns. His visual acuity was 20/40 OD and 20/30 OS, with examination revealing a synthetic corneal implant placed centrally in the deep stroma of the left eye (Figure). He described undergoing an operation on his left eye in an attempt to make him see better without glasses.1 He reported that it did not help much but that it did not cause any problems. Although polysulfone implants have been reported to be in place for more than a decade,2 this patient had an implant in place for more than 25 years. This case may have relevance because corneal inlays to treat presbyopia are currently of interest.3 This report of a long-term in situ corneal implant suggests that properly designed and placed implants can be compatible with good long-term corneal health.
de la Presa M, Carpel EF. A Clear Disc Deep in the Cornea Stroma. JAMA Ophthalmol. 2019;137(1):e183414. doi:10.1001/jamaophthalmol.2018.3414
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