1. Department of Vitreo-Retinal Services, Trilochan Netralaya, Sambalpur, Odisha, India
2. Department of Vitreo-Retinal Services, Jyothis Eye Care, Pallikunnu, Kannur, Kerala, India
3. Department of Vitreo-Retinal Services, Aravind Eye Hospital, Madurai, Tamil Nadu, India