¹Department of Ophthalmology, Guru Nanak Eye Centre, Maulana Azad Medical College, New Delhi, India

Address for correspondence: Dr. Shalin Shah, Department of Ophthalmology, Guru Nanak Eye Centre, Maulana Azad Medical College, New Delhi - 110 002, India. E-mail: [email protected]

Received November 08, 2022

Received in revised form January 20, 2023

Accepted March 03, 2023