Ocular Mucous Membrane Pemphigoid (Mucous Membrane Pemphigoid, Ocular Mucous Membrane Pemphigoid, Cicatricial Pemphigoid; Ocular Cicatricial Pemphigoid; Benign Mucous Membrane Pemphigoid) By Zeba A Syed, MD, Wills Eye Hospital Reviewed / Revised Apr 2023 View Patient Education Symptoms and Signs Diagnosis Treatment Key Points Topic Resources Ocular Mucous Membrane Pemphigoid Ocular mucous membrane pemphigoid is a chronic, bilateral, progressive scarring and shrinkage of the conjunctiva with opacification of the cornea.