Сивакумар Ратинэм, Раджеш Веданаяки, Соманат Анджана Sivakumar Rathinam, Rajesh Vedhanayaki, Somanath Anjana, Department of Ophthalmology and Uveitis Services, Aravind Eye Hospital and Post Graduate Institute of Ophthalmology, Madurai, Tamilnadu, India, e-mail: rathinam@aravind.org; http://www.aravind.org.