Dr Teoh is a Consultant in the Department of Ophthalmology at Ng Teng Fong General Hospital (NTFGH), and Jurong Medical Centre, members of the National University Health System (NUHS). He completed his Master of Medicine (Ophthalmology) from Yong Loo Lin School of Medicine, National University of Singapore (NUS) in 2020. Subsequently, in 2022, he obtained his specialist accreditation in Ophthalmology and became a fellow of both the Royal College of Ophthalmologists, United Kingdom and the Academy of Medicine (Ophthalmology), Singapore.
Dr Teoh's expertise lies primarily in vitreoretinal surgery, femtosecond laser assisted cataract surgery, complex cataract surgery, and general ophthalmology. Currently, he is a fellow specialising in vitreoretinal surgery.
In addition to his clinical practice, Dr Teoh has made significant contributions to the field of ophthalmology through the publication of numerous scientific papers in esteemed peer-reviewed international journals. He is also deeply passionate about clinical education and has been recognised for his teaching efforts with awards such as the Young Teacher Award and NUS Junior Doctor Teaching Award. In recognition of his expertise and dedication, he is appointed as a Clinical Senior Lecturer at the prestigious Yong Loo Lin School of Medicine, NUS.
1. Teoh, C.S. (2025). An insight into current and novel treatment practices for refractory full-thickness macular hole. Journal of Clinical and Translational Ophthalmology, 3(3), 15. https://doi.org/10.3390/jcto3030015
2. Toh, V.T.R., Gerard, G., Tay, Z.Q., Chen, J., Chew, G.W.M., & Teoh, C.S. (2025). Efficacy and safety of methotrexate in the treatment of proliferative vitreoretinopathy: A systematic review. Eye, 39(3), 460-467. https://doi.org/10.1038/s41433-024-03503-5
3. Teoh, C.S., Wong, K.H., Xiao, D., Wong, H.C., Zhao, P., Chan, H.W., Yuen, Y.S., Naing, T., Yogesan, K., & Koh, V.T.C. (2023). Variability in grading diabetic retinopathy using retinal photography and its comparison with an automated deep learning diabetic retinopathy screening software. Healthcare, 11(12), 1697. https://doi.org/10.3390/healthcare11121697
4. Teoh, C.S., Aquino, M.C., Lim, D., Chew, P., & Koh, V. (2022). Use of anterior segment imaging and direct suture cyclopexy repair of cyclodialysis cleft. Taiwan Journal of Ophthalmology, 12(3), 334-338.
5. Teoh, C.S., Jeyabal, P., Young, S.M., & Lim, V.S.Y. (2021). Incidence and trends of ophthalmic cancer in Singapore: Data from Singapore Cancer Registry. Annals of the Academy of Medicine, Singapore, 50(2), 186-188. https://doi.org/10.47102/annals-acadmedsg.2020488
6. Teoh, C.S., & Yuen, Y.S. (2021). Spectral-domain optical coherence tomography of lipemia retinalis. Retina, 41(7), e43-e44.
7. Teoh, C.S., Aquino, M.C., Loon, S.C., Chew, P., & Koh, V. (2017). Comparing the use of phacoemulsification and combined surgery in angle-closure glaucoma. Expert Review of Ophthalmology, 12(6), 435-444. https://doi.org/10.1080/17469899.2017.1379901
8. Siak, J., Jansen, A., Waduthantri, S., Teoh, C.S., Jap, A., & Chee, S.P. (2016). The pattern of uveitis among Chinese, Malays and Indians in Singapore. Ocular Immunology and Inflammation, 25(6), 755-761. https://doi.org/10.1080/09273948.2016.1188968
9. Low, J.R., Teoh, C.S., Chien, J., & Huang, E. (2015). Enterococcus casseliflavus endophthalmitis due to metallic intraocular foreign body. Eye, 29(6), 840-841. https://doi.org/10.1038/eye.2015.42
