1. Department of Glaucoma, S V Aravind Eye Hospital, Tirupati, Andhra Pradesh, India
2. Lions Aravind Institute of Community Ophthalmology, Aravind Eye Care System, Madurai, Tamil Nadu, India
3. Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, East Melbourne, Australia
4. Department of Surgery (Ophthalmology), The University of Melbourne, Melbourne, Australia
5. Department of Biostatistics, Aravind Eye Hospital and Post Graduate Institute of Ophthalmology, Madurai, Tamil Nadu, India
6. Cataract and IOL services and General Ophthalmology, Aravind Eye Hospital, Theni, Tamil Nadu, India
7. Department of Epidemiology, London School of Hygiene and Tropical Medicine, United Kingdom