Prof. Praveen Vashist is currently heading Community Ophthalmology at RP.Centre AIIMS New Delhi. He did his MD in Community Medicine from Lady Harding Medical College Delhi and MSc. in Community Eye Health from London. He is principal investigator for Nation Blindness Survey and Nation Trachoma Survey in India conducted under Ministry of Health, Govt. of India. Beside this, he has been involving in many of the community based epidemiological studies funded by ICMR, DST, LSHTM and International NGOS and National agencies. He has more than 100 publications to his credit.