Based on several opthalmologists websites, the keywords in the following search statement appear to be synonyms. "Epiretinal Membrane"[mesh] is not the only subject heading that has been used for this condition but is the most specific.
"Epiretinal Membrane"[Mesh] OR "epiretinal membrane" OR "surface wrinkling retinopathy" OR "cellophane retinopathy"[tiab] OR "internal limiting membrane disease"[tiab] OR "macular pucker"