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  • Title: Epiretinal membrane formation with internal limiting membrane wrinkling after Nd:YAG laser membranotomy in valsalva retinopathy.
    Author: Kwok AK, Lai TY, Chan NR.
    Journal: Am J Ophthalmol; 2003 Oct; 136(4):763-6. PubMed ID: 14516831.
    Abstract:
    PURPOSE: To report the location of premacular hemorrhage in Valsalva retinopathy and epiretinal membrane formation with internal limiting membrane (ILM) wrinkling after neodymium;yttrium-aluminum-garnet (Nd:YAG) laser membranotomy. DESIGN: Interventional case report. METHODS: A 35-year-old man with a massive premacular hemorrhage due to Valsalva retinopathy underwent Nd:YAG laser membranotomy. After membranotomy, his visual acuity improved from 20/200 to 20/25. Ten months later, he developed metamorphopsia with visual acuity of 20/30. A semiopacified membrane with radiating striae was found, and pars plana vitrectomy was performed for membrane removal. RESULTS: Histologic examination of the membrane showed hemosiderin deposits within macrophages on the retinal side of the ILM. One year later, the patient was asymptomatic with visual acuity of 20/20. CONCLUSIONS: To our knowledge, histopathologic confirmation of the sub-ILM hemorrhage in Valsalva retinopathy and epiretinal membrane formation with ILM wrinkling as a complication after Nd:YAG laser membranotomy have not been previously reported.
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