All are false regarding ophthalmic use of topical retinoic acid except :: (A) Conjunctival melanoma, (B) Naeus or congenital moles, (C) Ocular-surface squamous neoplasm, (D) Pterygium
Answer is C. Ocular surface epithelium Squamous neoplasia (OSNN) Most common malignancy of the conjunctiva. OSSN lesions typically present as fleshy conjunctival lesions with a gelatinous, leukoplakic, or papillary appearance. Arise from the limbal stem cells. Produces symptoms as of dry eye.It can be reversed by the application of topical trans-retinoic acid ointment Retinoic acid also promotes epithelial healing. Pterygium- Topical Mitomycin C (antiproliferative ) have been used daily after pterygium surgery to reduce scarring and recurrences. Conjunctival melanoma-Once suspected, enucleation or exenteration is the treatment of choice, depending upon the extent of growth. Naevus or congenital moles- Excision indicated for cosmetic reasons