Parenchymatous xerosis of conjunctiva is caused by –a) Trachomab) Vitamin A deficiencyc) Vernal catarrhd) Phlyctenular keratoconjunctivitise) Alkali burns
Parenchymatous xerosis :- Trachoma, Diphtheria conjunctivitis, SJS, Pemphigus, Thermal/ chemical/ radiational burn, lagophthalmos due to symblepharon.
Epithelial xerosis:- Vitamin A deficiency (Xerophthalmia).
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