About the Authors

Nakul Singh

Affiliation Biostatistics, Harvard School of Public Health, Boston, Massachusetts, United States of America

Shiva Shankar Eeda

Affiliations Andhra Pradesh Right to Sight Society, Hyderabad, India, School of Optometry and Vision Science, University of New South Wales, Sydney, Australia

Bala Krishna Gudapati

Affiliations Andhra Pradesh Right to Sight Society, Hyderabad, India, School of Optometry and Vision Science, University of New South Wales, Sydney, Australia

Srinivasa Reddy

Affiliations Andhra Pradesh Right to Sight Society, Hyderabad, India, School of Optometry and Vision Science, University of New South Wales, Sydney, Australia

Pushkar Kanade

Affiliation Internal Medicine, St. Vincent Charity Medical Center, Cleveland, Ohio, United States of America

Ghanshyam Palamaner Subash Shantha

Affiliations Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America, Department of Internal Medicine, Wright Center for Graduate Medical Education, Pennsylvania, United States of America

Padmaja Kumari Rani

Affiliations Brien Holden Eye Research Centre, L.V. Prasad Eye Institute, Banjara Hills, Hyderabad, India, Allen Foster Research Centre for Community Eye Health, GPR International Centre for Advancement of Rural Eye care, L V Prasad Eye Institute, Hyderabad, India

Subhabrata Chakrabarti

Affiliation Brien Holden Eye Research Centre, L.V. Prasad Eye Institute, Banjara Hills, Hyderabad, India

Rohit C Khanna

rohit@lvpei.org

Affiliations Brien Holden Eye Research Centre, L.V. Prasad Eye Institute, Banjara Hills, Hyderabad, India, Allen Foster Research Centre for Community Eye Health, GPR International Centre for Advancement of Rural Eye care, L V Prasad Eye Institute, Hyderabad, India

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RCK SSE BKG SR PKR. Performed the experiments: RCK SSE BKG SR PKR. Analyzed the data: NS PK GPSS SC RCK. Contributed reagents/materials/analysis tools: NS PK GPSS SC RCK. Wrote the paper: NS PK GPSS SC RCK. Data management: RCK SSE BKG SR.