1. Department of Vitreoretinal Diseases, Medical Research Foundation, Chennai, India,
2. Low Vision Care Clinic, Department of Optometry, Shanmugha Arts, Science, Technology & Research Academy, Thanjavur, India,
3. Department of Vitreoretinal Diseases, Low Vision Care Clinic, Chennai, India,
4. Department of Comprehensive Ophthalmology, Medical Research Foundation, Chennai, India,
5. Department of Optometry, School of Medical Sciences, University of Hyderabad, Hyderabad, India,