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Dr Marcus Tan Chun Jin

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  • Consultant, Department of Ophthalmology, National University Hospital
  • Consultant, Department of Ophthalmology, Alexandra Hospital


MBBS, MMed (Ophth), MTech (EBAC), FAMS, FRCOphth



Clinical Disciplines/Programmes:

Cataract, Glaucoma, Healthy Ageing Programme (Age Better)

Special Interests:

Cataract, Minimally Invasive Glaucoma Surgery (MIGS), Glaucoma Surgery,  Femtosecond Assisted Cataract Surgery


Dr Marcus Tan C.J. is a Fellow of the Royal College of Ophthalmologists, Deputy Group Chief Technology Officer of the National University Health System (NUHS), Consultant in the Department of Ophthalmology, National University Hospital (NUH) and Consultant in Alexandra Hospital. He specialises in cataract and glaucoma surgery and leads the Department in Digital Health and technology innovation. 

During his undergraduate training at the National University of Singapore (NUS), he was invited to the yearly Dean's Dinner for good academic performance and received a Lee Foundation Academic Award. Having received training at the National University Hospital, Ng Teng Fong General Hospital and Khoo Teck Puat Hospital, he obtained his Masters of Medicine in Ophthalmology in 2017 and was awarded Ophthalmology specialist accreditation in 2019. 

During his residency training, he also obtained his Masters in Technology (Enterprise Business Analytics) from the Institute of Systems Science, NUS. 

Dr Tan subspecialises in glaucoma and has received training under Professor Paul Chew, the inventor of the Paul® Glaucoma Implant and the Micropulse P3 laser. He has significant exposure to complex glaucoma cases such as neovascular and secondary glaucoma and the implantation of various glaucoma drainage devices. 
He also has a keen interest in the intersection of technology and medicine, and oversees the implementation of innovative technologies ranging from Artificial Intelligence to augmented reality in Ophthalmology. 

He has been awarded multiple Ophthalmology related grants and awards including: NUS TEG (2022), NUH-National Health Innovation Centre Joint MedTech Grant (2019), Summit Programme in Innovation (SPIN) Award (2018), Department of Ophthalmology Research Symposium Winner (2017), Best Oral Presentation Award- NUHS Clinician Scientist Program  (2016). To date, he has secured research grant funding in excess of half a million dollars. 

Aside from clinical work and research, Dr Tan also believes in mentoring the next generation of young doctors: he is on the Instructor - Clinician Track at the NUS Yong Loo Lin School of Medicine and an Adjunct Clinical Lecturer at the Lee Kong Chian School of Medicine. He has received multiple teaching awards including the NUHS Young Clinican Mentor Award (2018,2017) and the NUS Medicine Junior Doctor Teaching Award (2017, 2018, 2019, 2020).


  • 2022 - NUS Teaching Enhancement Grant
  • 2020, 2019, 2018, 2017 - NUS Medicine Junior Doctor Teaching Award
  • 2019 - NUH-NHIC Joint MedTech Grant
  • 2018 - Summit Programme in Innovation Award
  • 2018, 2017 - NUHS Young Clinician Mentor Award
  • 2017 - Department of Ophthalmology Research Symposium Winner
  • 2016 - Best Oral Presentation - NUHS Clinician Scientist Program (Residency)
  • 2016 - NUHS Clinician Scientist Program (Residency Grant)

Journals & Publications


  1. Tan MCJ, Choy HYC, Koh V et al. Two-Year Outcomes of the Paul Glaucoma Implant for Treatment of Glaucoma. J Glaucoma. 2022 Jun 1;31(6):449-455. doi: 10.1097/IJG.0000000000001998. Epub 2022 Feb 18. PMID: 35180153; PMCID: PMC9148669.
  2. Fang HSA, Tan TH, Tan YFC, Tan M. Blockchain Personal Health Records: Systematic Review. J Med Internet Res 2021;23(4):e25094. DOI: 10.2196/25094
  3. Ong CW, Tan MCJ, Lam M, Koh VTC. Applications of Extended Reality in Ophthalmology: A Systematic Review. Journal of Medical Internet Research. 06/04/2021:24152
Book Chapters :

  1. Tan, M. 2021 “The future of Robotic Surgery” in Nema, HV. Recent Advances in Ophthalmology. New Delhi: Jaypee Brothers Medical Publishers. In Press.
  2. Koh, V. 2021 “The use of micropulse trans-scleral cyclophototherapy for glaucoma; current and future practice” in Knepper, PA. Glaucoma Research and Clinical Advances 2020 to 2022. Amsterdam: Kugler Publications. Pp 187-192.

Professional Memberships

  • Royal College of Ophthalmologists, United Kingdom
  • Founding Member, Holomedicine Association
  • Founding Co-Ambassador, Blockchain in Healthcare Today, Singapore Chapter

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