Dr. Premraj, born in the year 1952, studied M.B.B.S., D.O., and M.S., from Madras Medical College. After completing Masters in 1981, he got trained in the US, under some renowned Eye specialists. Later, he started his practice in Saidapet, Chennai.Dr. Premraj is one of the Pioneers to introduce new technologies like Intraocular Lens(IOL), Radial Keratotomy, Phaco Emulsification, etc., in south India. In the year 1994, he started an eye clinic called Prem's Eye Clinic, with a team of 22 Ophthalmologists with 6 Satellite centres across Chennai, serving about 2,00,000 patients every year. In 2007, he merged with Vasan Eye Care and took over as Chief Mentor and coordinated its growth from 6 centres to 130 hospitals, by 2014.Dr. Premraj, then started Vasan Institute of Ophthalmology and Research, in 2010 offering D.N.B. Fellowships in super specialities in eye care and optometry. In the same year, he also started Vasan Eye Bank, and developed it to be the one India's largest eye bank. Dr. Premraj has presented about 22 papers in International conferences, and 40 papers in national conferences. He is a regular contributor to various medical journals both National & International. He has also been the Chairman of ARC in Tamil Nadu Ophthalmic Association, Secretory of Madras City Ophthalmic Association, President of Indian Medical Association, and President of Tamil Nadu Ophthalmic Association.After he moved out of the Vasan Health Care Group, he became the mentor of Maxivision (Tamilnadu).