[1
]
Elite School of Optometry, Unit of Medical Research Foundation, Chennai, India.
[2
]
Srimathi Sundari Subramanian Department of Visual Psychophysics, Sankara Nethralaya,
Chennai, India.
[3
]
Department of Retina, Shri Bhagwan Mahavir Vitreoretinal Services, Sankara Nethralaya,
Medical Research Foundation, 18 College Road, Nungambakkam, Chennai, 600 006, India.
[4
]
Smt. Jadhavbai Nathamal Singhvee Glaucoma Services, Sankara Nethralaya, Chennai, India.
[5
]
Department of Retina, Shri Bhagwan Mahavir Vitreoretinal Services, Sankara Nethralaya,
Medical Research Foundation, 18 College Road, Nungambakkam, Chennai, 600 006, India.
drpka@snmail.org.