Professor Moditha Madhuwanthi Dissanayake obtained her MBBS degree from Faculty of Medicine, University of Colombo, in 1995 with honours winning the Drogo Austin Gold medal for Orthopaedics. She joined the faculty of Medicine, University of Colombo in 1997 as a lecturer in the department of Anatomy. She got her training in ophthalmology at National Eye Hospital Colombo and the Tennant Institute of Ophthalmology UK.
She was board certified as a specialist in ophthalmology in 2005. She was the former head of the department of anatomy, and also served as the founder convener and later as the chairperson of the special senses module of Faculty of Medicine, Colombo. An active researcher in the fields of Anatomy, Ophthalmology and Medical education she has presented her work at various local and international forums and has several publications to her credit.
In 2015 she was awarded the BMJ South Asia Award for excellence in Medical Education. She was the winner of the best paper award at the Annual Congress of College of Ophthalmologists of Sri Lanka in 2016. She is a graduate of Asia Pacific Academy of Ophthalmology, Leadership Development Programme and an awardee of APAO-ZOC Travel Grant for Invited Speakers in 2015 at APAO in Guangzhou, China.
Professor Dissanayake is a member of the Board of study in Ophthalmology and an examiner at post graduate examinations in Ophthalmology. She contributed to the field of Ophthalmology in Sri Lanka by serving as the President of the College of Ophthalmologists of Sri Lanka in 2017.