Debdulal Chakraborty1, Dipankar Das2. 1. Department of Vitreoretina Services, Disha Eye Hospitals, Kolkata, West Bengal, India. 2. Department of Ocular Pathology, Uveitis and Neuro-Ophthalmology Services, Sri Sankaradeva Nethralaya, Guwahati, Assam, India.