<prompt> Vernal keratoconjunctivitis -Is usually unilateralEosinophil is common in the papillaIs commoner in adults than in childrenCauses corneal melting  <response>: Ans. b Eosinophil is common in the papillaeRef: Parsons 21e, p. 178 Histologically hypertrophied papillae show eosinophilic leukocytes in great numbers In addition infiltration with basophils, lymphocytes and plasma cells may also be seen. 