1. Department of Glaucoma, Aravind Eye Hospital and Postgraduate institute of ophthalmology, Madurai, Tamilnadu, India
2. Department of Retina and Vitreoretinal surgery, Aravind Eye Hospital and Postgraduate Institute of ophthalmology, Madurai, Tamilnadu, India
3. Head of the department, Department of Retina and Vitreoretinal surgery, Aravind Eye Hospital and Postgraduate Institute of ophthalmology, Madurai, Tamilnadu, India
4. Department of Biostatistics, Aravind Eye Hospital and Postgraduate Institute of ophthalmology, Madurai, Tamilnadu, India