Dr. Sangwan is a renowned ophthalmic surgeon of international repute with over twenty-five years of rich experience. He has been involved with cutting-edge research in eye care and his major contribution is in the field of translational research in Ophthalmology involving limbal stem cells. Mastered technique of cultivation of stem cell for treatment of corneal blindness and have treated over 800 patients which represent largest human application of adult stem cell anywhere in the world. Developed a cost effective technique of growing cells on patient’s eye and it is called SLET. During his career, Dr. Sangwan has been longest associated with LV Prasad Eye Institute (LVPEI, since March 1998- August 2018), Hyderabad, India where he worked as Director Center for Ocular Regeneration (CORE) and Srujana- Center for Innovation. He has also been associated with the Department of Ophthalmology, Harvard Medical School, MA (USA) and with the DC-10 Flying Eye Hospital of ORBIS International, Inc. New York USA earlier in his career.

Currently Director Innovations at Dr Shroff’s Charity Eye Hospital, Daryaganj, New Delhi Harvard Medical School Boston, MA. USA, Immunology and Uveitis Service, Massachusetts Eye and Ear Infirmary, Department of Ophthalmology: July 1996 to January 1998 ORBIS Intl. Inc. New York USA DC-8 & DC-10 Flying Eye Hospital: May 1993 to December 1995 Books/Book Chapter: 15; Research Gate: RG Score 41.44, 97.5% of all members, 10 million, Publications 274 in peer reviewed indexed journals & Google Scholar: h-index (since 2013) 34.