About the Authors

Rohit Saxena

rohitsaxena80@yahoo.com

Affiliation Department of Ophthalmology, Dr Rajendra Prasad Center for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India

Praveen Vashist

Affiliation Department of Community Ophthalmology, Dr Rajendra Prasad Center for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India

Radhika Tandon

Affiliation Department of Ophthalmology, Dr Rajendra Prasad Center for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India

R. M. Pandey

Affiliation Department of Biostatics, All India Institute of Medical Sciences, New Delhi, India

Amit Bhardawaj

Affiliation Department of Community Ophthalmology, Dr Rajendra Prasad Center for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India

Vimala Menon

Affiliation Department of Ophthalmology, Dr Rajendra Prasad Center for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India

Kalaivani Mani

Affiliation Department of Biostatics, All India Institute of Medical Sciences, New Delhi, India

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RS PV RT RMP AB VM. Performed the experiments: RS PV AB. Analyzed the data: RS PV RMP KM. Contributed reagents/materials/analysis tools: RS PV RT RMP AB. Wrote the paper: RS PV RT RMP VM KM. Acquired permission from District Education Authority: RS PV RT.