Changes seen in conjunctiva after vitamti. A deficiency:
(A) Actinic degeneration (B) Hyperplasia of goblet cells (C) Hyperkeratosis of squamous epithelium (D) Stromal infiltration
(C) Answer- C. Hyperkeratosis of squamous epitheliumChange seen in coniunctiva after vitamin A deficiency is hyperkeratosis of squamous epithelium.'Vitamin A is necessary for normal differentiation of nonsquamous epithelium; keratinization is a direct consequenceof its deficieny.Reduced aqueous tear production, and irregularities of the keratinized surface may all contribute to stromal melting, which can occur in the absence of inflammatory infiltration or bacterial invasion.Squamous metaplasia and keratinization.