Md Shahid Alam1, A K Amitava2. 1. Orbit Oculoplasty Reconstructive and Aesthetic Services, Aditya Birla Sankara Nethralya, Kolkata, India. Electronic address: mshahidalam@gmail.com. 2. Pediatric Ophthalmology and Strabismus Unit, Institute of Ophthalmology, Jawaharlal Nehru Medical College and Hospital, Aligarh Muslim University, Aligarh, India.