Dr Vivien Yip is a Consultant with the National Healthcare Group Eye Institute @ Tan Tock Seng Hospital.

Dr Yip completed her undergraduate medical training at St Bartholomew’s and the Royal London School of Medicine and Dentistry, United Kingdom in 2006, where she graduated with a Bachelor of Medicine and Bachelor of Surgery. Subsequently, she earned her Masters of Medicine in Ophthalmology in 2012, and successfully completed her specialist Ophthalmology training in 2016. She is also a Fellow of the Academy of Medicine (Singapore).

During her Ophthalmology training, she was appointed chief medical officer and chief registrar in 2009 and 2016 respectively. Dr Yip also completed a 2-year fellowship in Glaucoma with the National Healthcare Group Eye Institute @ Tan Tock Seng Hospital from 2017-2019. During her training, Dr Yip was mentored by Professor Ike Ahmed in Glaucoma and Anterior Segment Surgery at Prism Eye Institute and Trillium Health Partners in Toronto, Canada. Dr Yip currently serves as the Deputy head of Glaucoma at Tan Tock Seng Hospital.

Dr Yip is also instrumental in establishing Optometrists as Primary Eye Care Providers and currently serves as the Deputy head of the Comprehensive Eye Care Service at Tan Tock Seng Hospital.

In the area of Ophthalmic research, Dr Yip has presented and published in numerous conferences and journals both locally and internationally. She was awarded 2 research grants and also achieved the Merit award for her oral presentation at the NHG Eye Institute International Ophthalmology Congress in 2013. She is currently involved in Glaucoma and Primary Eye Care research.

Dr Yip is also a Clinical Lecturer with the Yong Loo Lin School of Medicine, National University of Singapore and the Lee Kong Chian School of Medicine, Singapore.

Dr Yip’s areas of interest include Cataract, Glaucoma, Primary Eye Care and General Ophthalmology.

Dr Tan Xiu Ling is a Consultant Ophthalmologist with the National Healthcare Group (NHG) Eye Institute at Tan Tock Seng Hospital.

Dr Tan completed her undergraduate medical training at the Yong Loo Lin School of Medicine, National University of Singapore (NUS) in 2008. She underwent postgraduate training in Ophthalmology and was awarded Masters of Medicine (Ophthalmology) in 2013. She obtained her specialist accreditation in 2016. She is also a Fellow with the Academy of Medicine Singapore.

Dr Tan was awarded the Singapore Ministry of Health Manpower Development Programme (HMDP) Scholarship in 2018 and completed a one-year overseas clinical fellowship training in Neuro- ophthalmology and Low Vision Rehabilitation at Vancouver General Hospital, University of British Columbia, Canada under Professors Jason Barton and Mary-Lou Jackson.

Dr Tan also has a strong passion for training and education. She is actively involved in both the undergraduate medical education and the NHG Ophthalmology Residency Program. She was awarded Best Teacher Award (Registrar & Medical Officer Category) in the department for 3 consecutive years 2014 – 2016. She has been appointed Clinical Lecturer and Core Faculty Tutor of both NUS Yong Loo Lin School of Medicine and Lee Kong Chian School of Medicine, since 2013.

Dr Tan also played a major role in the tele-ophthalmology service, which was awarded Tan Tock Seng Milestone Award in 2015. Her areas of ophthalmic interest include neuro-ophthalmology, low vision rehabilitation, cataracts and general ophthalmology.

Dr Kelvin is a Consultant with the Department of Ophthalmology, Tan Tock Seng Hospital. He is currently a fellow with the Neuro-Ophthalmology sub-specialty.

He completed his undergraduate medical training at the Yong Loo Lin School of Medicine, National University of Singapore in 2011 and obtained his Master of Medicine (Ophthalmology) in 2019. He joined the Fellowship of the Royal College of Ophthalmologists (United Kingdom), and the Fellowship of the Academy of Medicine in 2021.

Dr Kelvin was Chief Medical Officer in 2018 and Chief Registrar in 2020 for the NHG Ophthalmology programme. He was also part of the Singapore Chief Residency Programme (SCRP) 6th Cohort in 2019. Currently, he is active in training junior doctors in leadership roles through his participation in the Resident Engagement and Leadership (REAL) committee.

Dr Kelvin has presented at various international, regional, and local conferences. He was awarded the Achievement Award from the Asia-Pacific Academy of Ophthalmology in 2019. He was also part of AI Singapore - AI for Industry Batch #4 and completed foundational training in AI with Python. His research interest is in ocular imaging and application of data science and artificial intelligence in the field of Ophthalmology, and healthcare.

Dr Bryan Ang is a Consultant with the Glaucoma Service at the National Healthcare Group (NHG) Eye Institute @ Tan Tock Seng Hospital, Singapore.

Dr Ang completed his undergraduate studies at the National University of Singapore (NUS), where he graduated on the Dean's List for multiple academic years, was awarded a Distinction in Surgery and recognized as the 2nd Best Candidate in Surgery in his cohort. He further obtained his Masters in Medicine (Ophthalmology) from NUS, receiving the Gold Medal as the best candidate in the examinations. Upon completion of his specialist training, Dr Ang was elected as a Fellow of both the Royal College of Ophthalmologists (London) in 2016 and the Academy of Medicine Singapore in 2017. In 2017, Dr Ang served as Deputy Chief Resident at the NHG Eye Institute @ Tan Tock Seng Hospital.

Dr Ang sub-specializes in Glaucoma and Cataract Surgery. His work in glaucoma surgery and surgical techniques, particularly in Minimally Invasive Glaucoma Surgery, have been recognized internationally, winning prestigious awards such as the 2nd Best Surgical Film Award at the World Glaucoma Congress 2019 and the Best Video Award at the American Academy of Ophthalmology (AAO) Annual Meeting 2021. Dr Ang is a regular speaker and instructor at regional and international conferences, including the Asia-Pacific Glaucoma Congress, AAO Annual Meeting and the World Ophthalmology Congress. Dr Ang is active in both teaching and research. He has published more than 25 scientific papers in international journals and previously won the NHG Eye Institute research prizes for the Best Paper Presentation (Intermediate Category) in 2014 and the Runner-Up Best Poster Award (Open Category) in 2018.

Dr Ang is passionate about delivering quality clinical care. In 2014, Dr Ang was awarded the Singapore Health Quality Service Award (Silver) for outstanding clinical service. He is currently the Department Quality Reporting Officer for the NHG Eye Institute @ Tan Tock Seng Hospital.

Dr Yeo Tun Kuan is currently a Senior Consultant with the National Healthcare Group Eye Institute @ Tan Tock Seng Hospital. Dr Yeo completed his medical training at University College London, United Kingdom in 2004. At the same time, he also obtained a Bachelor of Science in Neuroscience with first class honours. Dr Yeo was conferred Masters of Medicine (Ophthalmology) in 2010. He subsequently attained Fellowship with the Royal College of Ophthalmologists (London) in 2013, and is also a Fellow with the Academy of Medicine Singapore.

Dr Yeo is active in research and has published in various peer-reviewed journals and has been involved in several research grants. His current research interests are in biometry and anterior segment surgery. His areas of ophthalmic practice include anterior segment, cataract and general ophthalmology with particular interest in complex anterior segment and cataract surgery. He is currently the Head of Eye Operating Theatre Services.

Dr Rajagopalan Rajesh is currently the Head of Vitreoretina and a Senior Consultant at the National Healthcare Group Eye Institute @ Tan Tock Seng Hospital. He completed his postgraduate training in ophthalmology at Madras Medical College Regional Institute of Ophthalmology, Chennai, India.

He was a university topper in his post graduate diploma in ophthalmology and was the best outgoing student of his batch during his Master of Surgery (ophthalmology). He underwent vitreo-retinal fellowship training at Sydney Eye Hospital, Sydney. His special interest is in diabetic retinopathy but he is also very experienced in the management of vitreo-retinal conditions and age-related macular degeneration. He specialises in complex retinal detachment surgery.

Dr Melissa Tien is a Consultant with National Healthcare Group Eye Institute @ Tan Tock Seng Hospital, Singapore. She completed her medical training at the Imperial College School of Medicine, London and Ophthalmology specialist in Singapore, where she was awarded the medals for Best Candidate in the Generic (General knowledge and Medical ethics) and Cataract Surgery categories at the Ophthalmology exit examinations. She is also a Fellow of the Academy of Medicine, Singapore.

Dr Tien underwent a 12-month fellowship at the Royal Melbourne Hospital and the Royal Victorian Eye and Ear Hospital, Melbourne, where she trained in Neuro-ophthalmology and Visual electrophysiology under the supervision of A/Professor Owen White, Dr Neil Shuey and Dr Heather Mack. She also had the privilege of training in visual electrophysiology under Professor Graham Holder at Moorfields Eye Hospital, London. Her research work includes the use of the ocular-motor system as a surrogate marker of cognitive inhibitory impairment and the characteristics of patients with visual snow syndrome. Apart from her neuro-ophthalmology practice, Dr Tien also specialises visual electrophysiology, which is used to evaluate a variety of visual disorders including unexplained visual loss.

Adjunct Assistant Professor Leonard Yip is the Senior Consultant and Head, Department of Ophthalmology @ NHG Eye Institute @ TTSH. He is also the Deputy Medical Director at the NHG Eye Institute.

Dr Yip earned his medical degree from the University of Sheffield, UK, in 1995. Later, he obtained his Master's degree in Medicine (Ophthalmology) from the National University of Singapore. His affiliations include Fellowships with the Royal College of Surgeons of Edinburgh, the Royal College of Ophthalmologists (UK), and the Academy of Medicine Singapore. He is also a member of the American Glaucoma Society.

Thanks to the Ministry of Health Human Manpower Development Plan (HMDP) scholarship, Dr Yip furthered his expertise by completing a Glaucoma Fellowship at the University of British Columbia, Canada. He was mentored by Professor Frederick Mikelberg and the esteemed faculty of the Eye Care Centre in Vancouver.

Currently, Dr Yip is also the Head of the Glaucoma Service at NHG Eye Institute. He also serves as an Adjunct Assistant Professor at both the Lee Kong Chian School of Medicine, Nanyang Technological University, and the Yong Loo Lin School of Medicine, National University of Singapore. His clinical expertise encompasses general eye diseases and specialized procedures in cataract surgery, such as the application of toric and multifocal intraocular lenses. In the realm of glaucoma, he specializes in treatments like laser peripheral iridotomy, selective laser trabeculoplasty, trabeculectomy, minimally invasive glaucoma surgery, aqueous shunt surgery, goniosynechiolysis, and transcleral cyclophotocoagulation.

Beyond his clinical commitments, Dr Yip is an active contributor to clinical research. He has been published extensively in international ophthalmology journals, with his research primarily focusing on glaucoma, minimally invasive glaucoma surgery, visual fields, optic nerve head, and retinal nerve fibre layer imaging.

Adjunct Professor Lim Tock Han is the immediate past director of NHG Eye Institute, Tan Tock Seng Hospital, Singapore.

He was fellowship trained in Mayo Clinic, Rochester, Mn, USA. Among his clinical and research interests are Age-Related Macular Degeneration (AMD) and Polypoidal Choroidal Vasculopathy (PCV). He has pioneered the use of Confocal Scanning Laser Indocyanine Angiography (CSLO-ICGA) in the region for the diagnosis and treatment of PCV, culminating in the setting up of the region's first reading centre for PCV imaging (Fundus Imaging Reading Centre, FIRC) and the EVEREST Trial (by Novartis), the first prospective randomized controlled trial of PCV.

He was the founding Designated Institutional Official for the NHG-AHPL Residency Programme, one of first institution worldwide accredited by Accreditation Council for Graduate Medical Education International (ACGME-I).

He is a Clinical Associate Professor in Ophthalmology at the National University of Singapore, Division of Graduate Medical Studies; as well as Adjunct Professor at the School of Materials Science and Engineering at Nanyang Technological University and an Adjunct Professor at the Universiti Kebangsaan, Malaysia. He was also the founding President of the College of Ophthalmologists Academy of Medicine (Singapore).

Adjunct Professor Lim is the Group Chairman Medical Board of National Healthcare Group, Singapore.

Key Area of Research

Age-Related Macular Degeneration (AMD) and Polypoidal Choroidal Vasculopathy (PCV). He has pioneered the use of Confocal Scanning Laser Indocyanine Angiography (CSLO-ICGA) in the region for the diagnosis and treatment of PCV, culminating in the setting up of the region's first reading centre for PCV imaging (Fundus Imaging Reading Centre, FIRC) and the EVEREST Trial (by Novartis), the first prospective randomized controlled trial of PCV.

Clinical Associate Professor Heng Wee Jin is Deputy Medical Director of the National Healthcare Group Eye Institute (NHGEI) and Deputy Clinical Director of Singapore Eye Bank. He is also the Past President of the College of Ophthalmologists, Academy of Medicine of Singapore.

Clin Assoc Prof Heng is Head and Senior Consultant of Cornea Service and Refractive Surgery in NHGEI. As a nationally and internationally recognised specialist in corneal diseases, refractive and cataract surgery, he is particularly experienced in performing LASIK, PRK, Corneal Transplantation, Excimer Laser PTK, Phakic Intraocular Lens implantation, Corneal Cross-linking, as well as managing Keratoconus, Corneal Dystrophies, Recurrent Corneal Erosions, Contact Lens-related problems, and other diseases of the cornea and ocular surface. He was instrumental in setting up the Hospital Cornea Donation Programme in Tan Tock Seng Hospital (TTSH) in 2003.

Clin Assoc Prof Heng graduated with Bachelor of Medicine and Surgery in 1990 and Master of Medicine (Ophthalmology) in 1996 from the National University of Singapore (NUS). He obtained his Fellowship from the Royal College of Surgeons (Edinburgh) in 1996 and from the American College of Surgeons in 2004. He completed his Cornea & Refractive Surgery Fellowship at the world-renowned Wills Eye Hospital in Philadelphia in 2000, which has been repeatedly ranked among the top 3 Eye Hospitals in USA for the last 40 years.

He is a Clinical Associate Professor in Ophthalmology at YLL School of Medicine of NUS and Adjunct Associate Professor at LKC School of Medicine of Nanyang Technological University.

Clin Assoc Prof Heng has published numerous medical articles as well as co-authored a book entitled Colour Atlas and Synopsis of Cornea and External Eye Diseases. He has been invited to speak at medical conferences and performed live demonstration surgeries in Cataract, Cornea, and Refractive Surgery in numerous countries such as USA, China, India, Italy, Korea, Taiwan, Thailand, Malaysia, Indonesia, and Vietnam. He has also been an instructor in many LASIK and ophthalmic microsurgery courses. Since 2003, he has mentored and trained many local and international ophthalmologists in refractive, cataract, and corneal transplantation surgeries and has received multiple Best Surgical Teacher Awards at NHGEI.

He is the Chairman of the Ophthalmology Exit Examination Committee of the Joint Committee on Specialist Training, the Chief Examiner of the American Board of Medical Specialties (Singapore) Ophthalmology Examination, and a member of the Residency Advisory Committee for Ophthalmology.

Clin Assoc Prof Heng has served on many national committees including the Specialist Training Committee for Ophthalmology, Ministry of Health (MOH) Advisory Committee on Organ Transplantation, MOH Contact Lens Practitioner Board, and Singapore Society of Ophthalmology.

He is a recipient of numerous awards in his career, including the MOH Distinguished Senior Clinician Award (2020), MOH Human Manpower Development Plan Overseas Fellowship Awards (1999 & 2010), Asia Pacific Association of Cornea and Refractive Surgery Educator Award, Spring Singapore Excellence Service Star Award, National Healthcare Group Service Champion Award, TTSH Staff Excellence Gold Award, and Khoo Teck Puat Hospital Distinguished Service Award for Eye and Vision Health.

Dr Fam Han Bor is a Senior Consultant with the National Healthcare Group Eye Institute @ Tan Tock Seng Hospital. Dr Fam is active as a clinician, researcher and instructor, having given over 100 presentations in international and regional conferences.

His research has been published in leading peer-reviewed ophthalmology journals such as the Journal of Cataract Refractive Surgery, the Journal of Refractive Surgery, the American Journal of Ophthalmology and the British Journal of Ophthalmology. As an educator, he has conducted numerous LASIK instructional courses, medical-in-service and live surgeries throughout Asia. He is widely sought after as a respected global key-opinion leader in the field of phacoemulsification, intraocular lens design, refractive surgery, corneal topography, ocular wavefront aberrations and visual optics. He has a keen interest in the design and optimising of new phacoemulsification and intraocular lens technologies. He is an active member of the prestigious IOL Power Club, an expert group dedicated to improving cataract outcomes.

His research interests lie in Visual Optics, Wavefront Science, IOP Calculations, Corneal Topography, Contact Lens and Eye Modeling and Biofilms.

He graduated from the National University of Singapore, with a Masters in Medicine (Ophthalmology) and was admitted as a Fellow of the Royal College of Surgeons, Edinburgh and the Academy of Medicine, Singapore. He received his subspecialty training in cornea and refractive surgery at the University of British Columbia, Canada.

Associate Professor Colin Tan is a Senior Consultant ophthalmologist and Clinician-Scientist from the Department of Ophthalmology, Tan Tock Seng Hospital. He completed a Fellowship in Medical Retina and Retinal Imaging at the Doheny Eye Institute, University of Southern California, Los Angeles, USA.

A/Prof Tan manages patients with retinal conditions such as age related macular degeneration, retinal vascular diseases, polypoidal choroidal vasculopathy and diabetic retinopathy, and performs ocular surgeries such as cataract extraction. A/Prof Tan has received the National Medical Research Council Transition Award. In addition, he has received numerous academic and scientific awards such as the Clinician Investigator Award and the National Healthcare Group Eye Institute Alcon Research Prize. He has over 120 publications in international journals such as Ophthalmology, Investigative Ophthalmology and Visual Science, American Journal of Ophthalmology, British Journal of Ophthalmology, Eye, and the Journal of Cataract and Refractive Surgery.

A/Prof Tan has also presented at the annual meetings of the American Academy of Ophthalmology (AAO), Association for Research in Vision and Ophthalmology (ARVO), American Society of Retinal Specialists, and American Society of Cataract and Refractive Surgeons (ASCRS). His research interests include vitreoretinal conditions such as age-related macular degeneration and diabetic retinopathy; myopia and its complications; cataract surgery, epidemiology, and retinal imaging techniques.

In addition to an active clinical practice and research, A/Prof Tan also has a keen interest in education throughout his career. has received education awards such as the Dean's Award for Excellence in Teaching from the Yong Loo Lin School of Medicine.

Associate Professor Rupesh Agrawal is a Senior Consultant - Clinician Scientist at National Healthcare Group Eye Institute @Tan Tock Seng Hospital.

After completing his residency and fellowship in Uveitis and Ocular trauma from Sankara Netralaya, Chennai (1999-2003), he was a faculty member at Shri Ganapati Netralaya, Jalna (2003-2008) and L V Prasad Eye Institute, Hyderabad, India (2008-2009). After being awarded the NMRC overseas research training fellowship, he spent time at Moorfields Eye Hospital (MEH), London with Prof Carlos Pavesio and completed his MD (Res) training fellowship at Institute of Ophthalmology, University College London (UCL) (Nov' 2012 – Oct' 2014) and is now associated with Institute of Ophthalmology as Research Associate and as Honorary consultant with MEH. His clinical areas of expertise are ocular inflammatory disorders (uveitis) including ocular tuberculosis and HIV and ocular trauma.

He has published many articles in peer-reviewed journals and presented several papers, lectures on uveitis and ocular trauma. He is a recipient of numerous grants for basic-translational science projects pertinent to ocular inflammation and drug delivery. He is associated with Singapore Eye Research Institute (SERI) as Co-Head of Ocular infections and antimicrobials, with Lee Kong Chian School of Medicine, Nanyang Technological University (NTU) as Associate Professor and as Adjunct Associate Professor with Eye ACP Programme at Duke NUS Medical School.

His key research areas of interest are: Development of sustained release drugs for back of the eye, Novel biological markers for ocular inflammation, Characterising red blood cell behaviour and its implications in diabetic retinopathy. Choroidal vascular imaging using index first published by him: Choroidal vascularity index.

He is currently secretary of the International Society of Ocular trauma and Asia Pacific Ophthalmic Trauma Society.He was conferred with the Healthcare Humanity Award by President of Singapore (2011) and President Volunteerism Philanthropy Award (PVPA) in 2018 for his humanitarian work across the island and Asia. He also serves as an examiner for Royal College of Surgeons and Physicians, Glasgow, UK.

Dr Ngo Wei Kiong is a Consultant with the National Healthcare Group Eye Institute (NHGEI) @ Tan Tock Seng Hospital.

Dr Ngo graduated from the National University of Singapore, Yong Loo Lin School of Medicine in 2009 and obtained Masters of Medicine (Ophthalmology) in 2016. He was chief resident during Ophthalmology residency. He also completed the Singapore Chief Residency Programme. Dr Ngo was awarded the Singapore Ministry of Health Manpower Development Programme (HMDP) scholarship and completed fellowships with Dr Richard Spaide (Vitreous Retina Macula Consultants of New York) and Dr Stephen Tsang (Columbia University, New York) in medical retina and inherited retinal diseases. He is a Clinical Lecturer with National University of Singapore, Yong Loo Lin School of Medicine and Clinical Teacher with National Technological University, Lee Kong Chian School of Medicine.

Dr Ngo is keenly involved in the field of Retina research and has an interest in diabetic retinopathy, age-related macular degeneration, and inherited retinal diseases. He has authored and co-authored more than 50 publications in book chapters and peer-review journals. Dr Ngo has also garnered numerous local and overseas research accolades. Local awards include Singapore Clinician Investigator Award (Gold) 2016 and Singapore Young Investigator Award (Gold) 2015 in Singapore Health and Biomedical Congress, best oral and poster presentations in National Healthcare Group Eye Institute International Ophthalmology Congress 2014 and National Ophthalmology Residents’ Research 2014. Overseas awards include best oral and poster presentations in Asia-Pacific Society of Ophthalmic Plastic & Reconstruction Surgery Oculoplastic Congress 2012 and American Society of Cataract and Refractive Surgery Symposium 2014. Dr Ngo also holds research grants from the NHG Clinician-Scientist Preparatory Programme, TTSH Pitch-for-funds Programme and NHGEI seed funding.

Dr Ngo's clinical interests include medical retina, inherited retinal disease, cataract and general ophthalmology.

Outside academia, Dr Ngo was awarded Sword of Merit in the 71st Medical Officer Cadet Course in the Singapore Armed Forces and was a former national shooter who represented Singapore in various tournaments including the 2001 South-East Asian (SEA) Games.