A one year old moggy male cat was presented in the Teaching Veterinary Clinical Complex, College of Veterinary Sciences and Animal Husbandry, Central Agricultural University, Mizoram, India with a history of anorexia since last three days with aimless movement. On clinical examination the right eye of the cat was found to be cloudy and blind with complete dilatation of pupil. The case was diagnosed as glaucoma in the right eye. The cat was treated with mannitol, carbonic anhydrase inhibitor, β-blockers and corticosteroid. The glaucoma recovered uneventfully within ten days.