News
It is with a heavy heart that we share the news that Dr. Mark Tso, Professor of Ophthalmology and Pathology at the Johns Hopkins School of Medicine passed peacefully on May 24, 2025. Dr. Tso was a wonderful colleague, who contributed his time and wisdom to the AAOOP. Dr Tso was the author of 250+ peer reviewed publications. His areas of research included retinoma and retinoblastoma, pathology and pathogenesis of papilledema, macula edema, retinal photic injury, and photoreceptor degeneration.
Dr. Tso was affiliated with numerous societies and organizations including: Vice President, International Council of Ophthalmology, elected in May, 1997; Councilor and Honorary Treasurer, Asia-Pacific Academy of Ophthalmology; Honorary Advisor, Chinese Ophthalmological Society, 1996; and Vice Patron, The Hong Kong Society of the Blind. Dr. Tso will be remembered with gratitude and love by his family, friends, and colleagues.