[1] LV Prasad Eye Inst, Gullapalli Pratibha Rao Int Ctr Adv Rural Eyecare, Allen Foster Community Eye Hlth Res Ctr, Hyderabad, Telangana, India
[2] LV 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] Univ Vita Salute, Sci Inst San Raffaele, Dept Ophthalmol, Via Olgettina, Milan, Italy
[6] Seva Fdn, Res, Berkeley, CA USA
[7] Int Agcy Prevent Blindness, Hyderabad, Telangana, India
[8] Int Soc Geog & Epidemiol Ophthalmol, Hyderabad, Telangana, India
[9] Ctr Sight, Indian Journal Ophthalmol, Hyderabad, Telangana, India
[10] London Sch Hyg & Trop Med, Int Ctr Eye Hlth, Dept Clin Res, London, England
[11] Indian Inst Publ Hlth, Hyderabad, Telangana, India