Ethics approval and consent to participate
DELHI, EYE
This study was carried out at 7 clinical sites. An institutional ethics committee (IEC) reviewed and approved the protocol at each site. Their names, addresses and registration numbers are as follows:1. Institutional Ethics Committee, Govt. Medical College, Govt. General Hospital, Balaga Srikakulam, Andhra Pradesh−532001, India. Registration # ECR/492/Inst/AP/2013/RR−20.2. Institutional Ethics Committee, Room No. 6006, IEC Office, 6th Floor P N Chuttani Block, PGIMER, Chandigarh. Registration # ECR/25/Inst/CH/2013/RR−20.3. Institutional Ethics Committee, Centre for Sight, B−5/24 Safdarjung Enclave, Opposite Deer Park, New Delhi. Registration # ECR/955/Inst/DL/2017/RR−20.4. Institutional Ethics Committee, L V Prasad Eye Institute, Kallam Anji Reddy Campus, L V Prasad Marg, Road No. 2, Banjara Hills, Hyderbad−500034, India. Registration # ECR/468/Inst/AP/2013/RR−19.5. Institutional Ethics Committee, Christian Medical College, Ludhiana- 141008. Registration # ECR/120/Inst/PB/2013/RR−19.6. Institute Ethics Committee, All India Institute of Medical Sciences, Old OT Block, Room No. 102, AIIMS Hospital, Ansari Nagar, New Delhi−110029. Registration # ECR/538/Inst/DL/2014/RR−20.7. Dr. Shroff’s Charity Eye Hospital Ethics Committee, Dr. Shroff Charity Eye Hospital, 5027, Kedar Nath Road, Daryaganj, New Delhi−110002, India. Registration # ECR/64/Inst/ND/2013/RR−19.Written informed consent was obtained from each patient prior to study participation. All clinical and laboratory methods used in the course of this study were carried out in accordance with relevant guidelines and regulations.