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  • Title: Contact lens-induced regression of Lisch epithelial corneal dystrophy.
    Author: Lisch W, Wasielica-Poslednik J, Lisch C, Saikia P, Pitz S.
    Journal: Cornea; 2010 Mar; 29(3):342-5. PubMed ID: 20118787.
    Abstract:
    PURPOSE: To describe the use of soft contact lenses (CL) to reduce the epithelial opacities of Lisch epithelial corneal dystrophy (LECD). First presentation of confocal microscopy in LECD. METHODS: Two unrelated female patients with LECD demonstrated a central gray opacity with distinct visual impairment. The first patient wore a daily hydroxyethlmethacrylate (HEMA) CL for 3 months and the second, a daily silicone hydrogel CL for 1 month. Pre-CL and post-CL appearances of the cornea were photodocumented at the slit lamp. Additionally, in the second patient, a confocal microscopic evaluation of LECD was performed. RESULTS: In both patients, the wearing of CL resulted in a distinct reduction of central corneal opacification with a visual improvement. Discontinued wearing of CL induced again a progression of opacity. The confocal microscopy disclosed the typical intracytoplasmatic vacuolization of the involved epithelial cells. CONCLUSIONS: Wearing CL for a longer duration causes a significant regression of corneal opacities in LECD. The etiology of this phenomenon is interpreted as a CL-induced thinning of corneal epithelium and reduction of epithelial layers.
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