1. Department of Glaucoma and Research, Mahathma Eye Hospital Private Limited, Tiruchirappalli, Tamil Nadu, India
2. Department of Glaucoma, Aravind Eye Care System, Madurai, Tamil Nadu, India
3. Department of Paediatric Ophthalmology and Strabismus, Mahathma Eye Hospital Private Limited, Tiruchirappalli, Tamil Nadu, India
4. Department of Cataract and Refractive Surgery, Mahathma Eye Hospital Private Limited, Tiruchirappalli, Tamil Nadu, India
5. Department of Glaucoma, Sathyan Eye Care Hospital and Coimbatore Glaucoma Foundation, Coimbatore, Tamil Nadu, India