Progressive atrophy of retinal pigment epithelium after trypan-blue-assisted ILM peeling for macular hole surgery.
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Date
2013-05
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Abstract
We report a case of progressive atrophy of the retinal pigment epithelium (RPE) after trypan-blue-assisted peeling of internal limiting membrane (ILM) for macular hole surgery. A 68-year-old Caucasian female underwent a 20-g pars plana vitrectomy for a chronic stage-3 macular hole. The ILM was stained with 0.06% trypan blue (VisionBlue™, DORC Netherlands) for 2 min after fluid air exchange. Dye was reapplied for another 2 min due to poor staining. The ILM was completely removed around the macular hole with forceps. RPE atrophy was noticed at the edge of the hole 1 month after surgery. It progressively increased in intensity and enlarged over 2 years. Her final visual acuity was counting fingers, significantly worse compared to her presenting visual acuity of 20/200. Progressive atrophy of RPE in our patient was most likely due to the toxicity of trypan blue. Reapplication of the dye may increase the likelihood of toxicity.
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Keywords
Internal limiting membrane, macular hole, retinal pigment epithelial atrophy, trypan blue, vital dyes
Citation
Jain Sachin, Kishore Kamal, Sharma Yog Raj. Progressive atrophy of retinal pigment epithelium after trypan-blue-assisted ILM peeling for macular hole surgery. Indian Journal of Ophthalmology. 2013 May; 61(5): 235-237.