Ruchi Mittal1,2, Sunil Agarwal3. 1. Dalmia Ophthalmic Pathology Services, L.V. Prasad Eye Institute, Bhubaneswar, Orissa, India. 2. Tej Kohli Cornea Institute, L.V. Prasad Eye Institute, Bhubaneswar, India. 3. Department of Pathology, Kalinga Hospital Limited, Bhubaneswar, India.