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Clin Prof Ang Chong Lye

Clin Prof Ang Chong Lye

​MBBS, FRCS(Glasg), FRCS(Ed) Ad Hominem, FRCOphth, FAMS

Emeritus Consultant

Singapore National Eye Centre

Specialty: Surgical Retina, Cataract & Comprehensive Ophthalmology

Clinical Interest: Surgical Retina, Cataract & Comprehensive Ophthalmology

Clinical Appointments

  • Emeritus Consultant Surgical Retina Department Singapore National Eye CentreSingapore National Eye Centre
  • Emeritus Consultant Cataract & Comprehensive Ophthalmology Department Singapore National Eye CentreSingapore National Eye Centre

Academic Appointments

  • Clinical Professor SingHealth Duke-NUS Ophthalmology & Visual Sciences Academic Clinical Programme


Clinical Professor Ang graduated from the Faculty of Medicine, University of Singapore in 1979. He pursued specialty training in Ophthalmology at the Singapore General Hospital and received the Fellowship of the Royal College of Surgeons, Glasgow, (Ophthalmology) in 1985.
He was awarded a Ministry of Health (Singapore) fellowship in post-graduate training (1989-90) at the Lion’s Eye Institute, Western Australia in the sub-specialty of Diseases of the Vitreous and Retina.
With the setting up of the Singapore National Eye Centre (SNEC), Clinical Professor Ang was appointed as clinical faculty from 1991 onwards.  He was head of the Vitreo-retina Department at Singapore National Eye Centre (SNEC) till 2000. Clinical Professor Ang was appointed Director, SNEC from 2000 to 2008.
In 2008, Clinical Professor Ang was appointed Chief Executive Officer of the Singapore General Hospital.  He concurrently held the appointment of Deputy Group CEO in Singapore Health Services.  He completed his term in 2017 and returned to full-time clinical practice in SNEC.
In 2001, Clinical Professor Ang was conferred the Fellowship ad hominem – the Royal College of Surgeons of Edinburgh and the Asia-Pacific Academy of Ophthalmology (APAO) Outstanding Award in recognition of his work in prevention of blindness.
Clinical Professor Ang was the Chairman of the Specialist Training Committee (STC) for Ophthalmology (Ministry of Health) from 2001 to 2010 and Chairman of the Resident Advisory Committee (RAC) for Ophthalmology from 2010 to 2013.  He still serves as a Committee Member in the RAC (Ophthalmology). 
Clinical Professor Ang is an Examiner for the M Med (Ophthalmology), FAMS (Ophthalmology) and appointed as Examiner for the FRCOphth (UK) in 2017.


  • FAMS  (2003)
  • FRCS(Ed) (2001)
  • FRCOphth (UK) (1989)
  • FRCS(Glasg) (1985)
  • MBBS (1979)

Professional Appointments and Committee Memberships

  • Clinical Professor, Yong Loo Lin School of Medicine, National University of Singapore
  • Member, Fee Benchmarks Advisory Committee, Ministry of Health (2018 – present)
  • Member, Residency Advisory Committee (Ophthalmology) (2013 – present)


  • Public Administration Medal (Gold), National Day Awards (2014)
  • The Long Service Medal, National Day Awards (2012)
  • “The Leading CEO” Award, Singapore HR Awards, Singapore Human Resource Institute (2011)
  • National Day Award for overcoming SARS, Singapore (2003)
  • Excellence for Singapore Award, Singapore (2003)
  • APIIA Medal, Asia-Pacific Association of Cataract & Refractive Surgeons (APACRS) (2003)
  • Designated the Distinguish Singapore Overseas Volunteer (DSVO), Singapore International Foundation (SIF) for teaching mission to Yangon Eye Hospital, Myanmar (2003)
  • Fellowship ad hominem – Distinguished Fellowship, Royal College of Surgeons of Edinburgh (2001)
  • Outstanding Award in Prevention of Blindness, Asia-Pacific Academy of Ophthamology (APAO) (2001)
  • Fujian Province Government Award for significant contributions in teaching in People’s Republic of China (1997)
  • Designated the Distinguish Singapore Overseas Volunteer (DSVO) Singapore International Foundation (SIF) for teaching mission to Xiamen Eye Centre, People’s Republic of China (1993)

Research Interests


  1. ​Shen, Lim Laurence, Ng Wei Yan, Wong Doric, Wong Edmund, Yeo Ian, Ang Chong Lye, et al. 2015. "Prognostic factor analysis of vitrectomy for myopic foveoschisis." The British journal of ophthalmology doi:10.1136/bjophthalmol-2015-306885
  2. Ting DSW, Tan GSW, NG WY, Yeo IYS, Lim LS et al 2015 The Surgical Outcomes, Complications and Predictive Surgical Factors of Diabetic Retinopathy Vitrectomy in a Large Asian Tertiary Eye Centre. J Clin Exp Ophthalmol 6:494. doi:10.4172/2155-9570.1000494
  3. Wai, Wong Chee, Yeo Ian Yew San, Loh Boon Kwang, Wong Edmund Yick Mun, Wong Doric Wen Kuan, Ong Sze Guan, et al. 2015. "Scleral Buckling versus Vitrectomy in the Management of Macula-Off Primary Rhegmatogenous Retinal Detachment: A Comparison of Visual Outcomes." Retina (Philadelphia, Pa.) doi:10.1097/IAE.0000000000000642
  4. Trends and Factors Related to Outcomes for Primary Rhegmatogenous Retinal Detachment. Surgery in A Large Asian Tertiary Eye Centre; Wong C W, Wong W L. Yeo, I Y S; Loh B K; Wong E Y M; Wong D W K, Ong S G, Ang C L, Lee S Y,  Retina 2014; 34; 684-692
  5. Vitreo-retinal Complications and Vitreo-retinal Surgery in Osteo-Odonto-Keratoprosthesis Surgery; L S Lim, C L Ang, E Wong, D WK Wong, D TH Tan; American Journal of Ophthalmology 2014;157; 349-354
  6. Prognostic Factor Analysis of Vitrectomy for Retinal Detachment Associated with Myopic. Macular Holes; L S Lim, A Tsai,  D Wong, E Wong, I Yeo, B K Loh, C L Ang,  S G Ong,  S Y Lee; Ophthalmology  2014; 121; 305-310
  7. Pseudophakic rhegmatogenous retinal detachment in a large Asian tertiary eye centre: a cohort study; DTL Quek, SY Lee, HM Htoon, CL Ang; Clinical & Experimental Ophthalmology 2012; 40; e1-e7
  8. Preclinical safety evaluation of subretinal AAV2.sFlt-1 in non-human primates, CM Lai, MJ Estcourt, RP Himbeck, SY Lee, IYS Yeo, C Luu, BK Loh, MW Lee, A Barathi, J Villano, CL Ang, RG  Most, IJ Constable, D Dismuke, RJ Samulski, MA Degli-Esposti and EP Rakoczy:  Gene Therapy 10 November 2011 (Epub)
  9. Intravitreal bevacizumab for the treatment of myopic choroidal neovascularisation in an Asian population; Loh BK, Lee SY, Cheng J, Yeo I, Wong D, Ang CL; Ann Acad Med Singapore 2010 Jun; 39(6): 493-4
  10. Enhanced Visualization of Myopic Macular Changes with Three-Dimensional OCT; Chee E, Lee SY, Ang CL; Ophthalmic Surg Lasers Imaging; 2010 Mar 9:1-4. doi: 10.3928/15428877-20100216-05. [Epub ahead of print]
  11. Evaluation of an international benchmarking initiative in nine eye hospitals; de Korne, Dirk F I Sol, Kees I van Wijngaarden, Jeroen D H I van vliet, Ellen J I Custers, Thomas I Cubbon, Mark I Spileers Werner I Ygge, Jan I Ang, Chong-Lye I Klazinga, Niek S; Health Care Management Review; 2010-01-01; 0361-6274; Vol 35 Issue 1; 23-35
  12. Photodynamic therapy with verteporfin for polypoidal choroidal vasculopathy; M-W Lee, I Yeo, D Wong, C-L Ang; Eye 2009 Jun: 23(6):1417-1422
  13. Giant retina tear management – an Asian experience; S Y Lee, S G Ong, D W K Wong, C L Ang; Eye 2009 Mar:23(3):601-605
  14. Factors affecting the predictability of SRK II in patients with normal axial length undergoing phacoemulsification surgery; L H Lim, S Y Lee, C L Ang; Singapore Med J 2009 Feb:50(2):120-125
  15. Argon laser photocoagulation for the treatment of polypoidal choroidal vasculopathy; M-W Lee, I Yeo, D Wong, C-L Ang; Eye 2009 Jan:23(1):145-148
  16. Diabetic retinopathy in diabetics referred to a tertiary centre from a nationwide screening programme; M C Lim, S Y Lee, BC Cheng, D W Wong, S G Ong, C L Ang, I Yeo; Ann Acad Med Singapore 2008 Sep; 37(9):753-759
  17. Bietti’s crystalline dystrophy in Asians: clinical, angiographic and electrophysiological characteristics; A M Fong, A Koh, K Lee, C L Ang: Int Ophthalmol 2008 Oct. (Epub ahead of print)
  18. Intraocular avastin (bevacizumab) for neovascularisation of the iris and neovascular glaucoma: J Y Cheng, D W Wong, C L Ang: Ann Acad Med Singapore 2008 Jan;37(1):72-74
  19. Optical coherence tomography evidence of rapid progression from vitreomacular traction to full thickness macular hole; M W Lee, B C Cheng, C L Ang, Clin Experiment Ophthalmol 2007 May-Jun: 35(4):379-380
  20. Can long-term cortisteroids lead to blindness? A case series of central serous chorioretinopathy induced by cortisteroids; JL Loo, SY Lee, CL Ang; Annals Academy of Medicine; July 2006; 35:496-499

Research Trials