Анирудда Агарвал, Трипти Чоудари, Каника Агарвал, Вишали Гупта Aniruddha Agarwal, Tripti Choudhary, Kanika Aggarwal, Vishali Gupta, Department of Ophthalmology, Advanced Eye Center, Post Graduate Institute of Medical, Education and Research (PGIMER), Chandigarh, India.