[1] L V Prasad Eye Inst, Allen Foster Community Eye Hlth Res Ctr, Gullapalli Pratibha Rao Int Ctr Adv Rural Eye Car, Hyderabad, Telangana, India
[2] L V Prasad Eye Inst, Brien Holden Eye Res Ctr, Hyderabad, Telangana, India
[3] Univ New South Wales, Sch Optometry & Vis Sci, Sydney, NSW, Australia
[4] Univ Rochester, Sch Med & Dent, Rochester, NY USA
[5] L V Prasad Eye Inst, Kallam Anji Reddy Campus, Hyderabad, Telangana, India