Raj, Rajendran Kadarkarai
Dhoble, Pankaja
Anjanamurthy, Rupa
Chermakani, Prakash
Kumaran, Manojkumar
Devarajan, Bharanidharan
Sundaresan, Periasamy
Article History
Received: 4 June 2019
Accepted: 7 December 2019
First Online: 9 January 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Ethics Review Board, Aravind Eye Hospital, Madurai, Tamil Nadu, and India.
: Not applicable.
: The authors declare that they have no competing interests.