Conjunctival mucosal overgrowth over cornea -: (A) Pterygium, (B) Pingecula, (C) Vernal keratoconjuncivitis, (D) Herbe's pit
Answer is A. Pterygium is a non-cancerous (non-neoplasic) growth of conjunctiva, characterized by a wing-shaped fold of conjunctiva encroaching upon the cornea form either side within the interpalpebral fissure. Reference: AK khurana 7th edition page 89