Funding for this research was provided by:
Department of Biotechnology, India (BT/NNT/28/SP18830/2018)
Received: 16 October 2020
Accepted: 14 April 2021
First Online: 6 May 2021
: This study was approved by the Institutional Ethics Committee of Aravind Eye Hospital, Madurai, Tamil Nadu, India (IRB2016017BAS).
: Not applicable.
: None of the authors have any proprietary interests or conflicts of interest related to this submission.