This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of Conjunctiva, Subject name: Ophthalmology
Not a feature of Ocular Mucous Membrane Pemphigoid 
Select and explain. 
A. Loss of fornices, B. Lid: Trichaiasis& Entropion, C. Involvement of mucosa of mouth, D. Type 1 hypersensitivity
D: Type 1 hypersensitivity
Answer: D: Type 1 hypersensitivity 
Explanation: It is type 2 hypersensitivity and not type 1 Ocular Mucous Membrane Pemphigoid * Type II hypersensitivity * Age> 60 * MC in females * Chronic inflammatory subepithelial blistering disease with subsequent cicatrization C/F * Inflammatory signs * Cicatrization- Loss of fornices ,symblepharon, loss of limbal stem cells * Lid: Trichaiasis& Entropion * Cornea: Superficial punctate keratitis, corneal neovascularization & even perforation * Mucus of oral cavity, anus, vagina and urethra may be involved * Cutaneous vesicles & bullae may be formed * Involvement of trachea and esophagus Rx * Lubricants * Dapsone * Immunosuppressants * Treatment of severe dry eye