Dr. Yu is a Professor at Seoul National University (SNU) College of Medicine and is in charge of the retina and uveitis service at Seoul National University Hospital (SNUH), where he has set up two special clinics: the Uveitis Clinic and the Hereditary Retinal Disease clinic. He has been the Chair of the Department of Preclinical Research at the SNUH Bioresearch Institute since 2016, and the founding President of the Korean Association of Retinal Degeneration since 2014. He is a member of the ISBD (International society of Behcet disease) council and a board member of the Korean Retina Society and Korean Uveitis Society. He is also a member of IUSG (International Uveitis Society Group) and Macula Society. He was the first recipient of the Korean Retina Society Academy Award and received the Distinguised Service Award from the APAO (Asia Pacific Academy of Ophthalmology) in 2016 and 2017.

Further, he has participated in numerous clinical trials as a principal or co-investigator. His interests include clinical and translational research on ocular inflammatory diseases as well as retinal degeneration. He has published over 200 scientific papers in international journals, was a chief editor for several books, including Asian Retina (Elsevier), Ophthalmic Laser Treatment, Inherited Retinal Diseases, and Uveitis (Korean Elsevier) and contributed chapters to various textbooks, such as Retina (Mosby) and Advances in Vision Research - Volume I and II (Springer).

Chapters contributed by world's eminent doctors in ocular inflammation

Includes clinical photographs of ocular inflammatory and infectious disease with newer imaging techniques

Provides updates in clinical features, diagnosis, and management of ocular inflammatory disease

Includes numerous invaluable images of rare but clinically important diseases