Dr Ong Sze Guan

Dr Ong Sze Guan

English, Mandarin
Last updated 09 Nov 2023


Dr Ong Sze Guan is an ophthalmologist practising at Mount Elizabeth Novena Hospital, Singapore.

He subspecialises in vitreo-retinal medicine and surgery.

Dr Ong’s main areas of interest in the retina are in advanced surgical techniques and instrumentation, and the surgical treatment of complicated retinal detachments, advanced diabetic retinopathy and macular diseases.

His expertise includes medical treatment of retinal conditions using anti-VEGF agents and laser photocoagulation for macular degeneration, diabetic retinopathy, retinal vein occlusions and other retinal diseases.

Dr Ong is a visiting senior consultant to the vitreo-retinal division at the Singapore National Eye Centre (SNEC).

He was previously the head of the training and education department at SNEC, and an associate clinical professor at the National University of Singapore.

He was also a founding council member for the College of Ophthalmologists, Academy of Medicine Singapore, and served as the president from 2009 –2011. As a visiting senior consultant, he is still actively involved in the teaching of cataract and vitreo-retinal surgery for residents and fellows at SNEC.

Dr Ong received his ophthalmology training in Singapore and later at the Moorfields Eye Hospital, Tennent Institute, and the Bristol Eye Hospital.

He has been invited to deliver lectures and conduct several instructional courses on vitreo-retinal surgery in the Asia-Pacific region, namely in Indonesia, Japan, Malaysia and China.

Dr Ong is the co-chairperson of the European School of Advanced Studies in Ophthalmology, and is responsible for organising biannual medical and surgical courses for ophthalmologists and retinal specialists from neighbouring countries.

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