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Dr Foo Valencia

Dr Foo Valencia

​​MBBS, M Med(Ophth), FRCOphth, FAMS

Associate Consultant

Clinical Appointments

  • Associate Consultant Cataract & Comprehensive Ophthalmology Department Singapore National Eye CentreSingapore National Eye Centre


Dr Valencia Foo is an Associate Consultant with the Cataract & Comprehensive Ophthalmology Department at the Singapore National Eye Centre (SNEC), and also a sub-specialty fellow with the Oculoplastic Department under the Advanced Clinical Specialist Program.

Dr Foo completed her medical training at Yong Loo Lin School of Medicine, National University of Singapore in 2015. She went on to complete her specialist training in Ophthalmology at SNEC in 2023. During her training, she represented Ophthalmology on the SingHealth Residents’ Committee, where she was conferred the SingHealth Residents’ Committee Appreciation Award. She obtained her Master of Medicine in Ophthalmology in 2021 and was inducted as a Fellow of the Royal College of Ophthalmologists (FRCOphth) in 2022. Dr Foo completed the Ophthalmology Exit Examination where she was awarded a Gold medal and was appointed Fellow of the Academy of Medicine, Singapore (FAMS) in 2023. 

Dr Foo is actively involved in clinical research. She has presented at numerous international and local scientific meetings, obtained research grants and published scientific papers in peer-reviewed journals. She won the American Academy of Ophthalmology Best Poster Award in 2019, and received the Young Investigator Award (Clinical) at the Singapore General Hospital 19th Annual Scientific Meeting in 2013. She is an Adjunct Research Fellow with the Ophthalmology & Visual Sciences Academic Clinical Programme (Eye ACP) in Duke-NUS Medical School. She also contributes to educating medical students and was appointed as the SingHealth Associate in Education in 2022. Dr Foo strongly believes in giving back actively to society, and has participated in free screening events for the community.


  • ​​FAMS (2023)
  • FRCOphth (2022)
  • M Med(Ophth) (2021)
  • MBBS (2015)

Professional Appointments and Committee Memberships

  • Fellow, Academy of Medicine, Singapore (2023 – present)
  • Fellow, The Royal College of Ophthalmologists (RCOphth), United Kingdom (2020 – present)
  • SingHealth Associate in Education (2022 – present)
  • Adjunct Research Fellow, Ophthalmology & Visual Sciences Academic Clinical Programme (Eye ACP), Duke-NUS Medical School (2020 – present)


  • Gold Medal, Ophthalmology Exit Examination (2023)
  • SingHealth Associate in Education (2022)
  • Residents’ Committee Appreciation Award, SingHealth RiSE Awards (2020)
  • Best Poster Award, American Academy of Ophthalmology (2019)
  • Society of Rehabilitative Medicine Singapore Book Prize, National University of Singapore (2013)
  • Young Investigator Award, Singapore General Hospital 19th Annual Scientific Meeting (2013)

Research Interests

Publications and Research Trials

  1. Early Visibility of Cellular Aggregates and Changes in Central Corneal Thickness as a Predictor of Successful Corneal Endothelial Cell Injection Therapy. Wong EN, Foo VHX, Peh GSL, Htoon HM, Ang HP, Tan BYL, Ong HS, Mehta JS. Cells. 2023 Apr 15;12(8):1167. doi: 10.3390/cells12081167. PMID: 37190076; PMCID: PMC10136572.
  2. Case Report: Peripheral Ulcerative Keratitis in Systemic Solid Tumour Malignancies. Foo VHX, Mehta J, Chan ASY, Ong HS. Front Med (Lausanne). 2022 May 31;9:907285. 
  3. Role of anterior segment optical coherence tomography angiography in assessing limbal vasculature in acute chemical injury of the eye. Ang M, Foo VHX, Ke M, Tan B, Tong L, Schmetterer L, Mehta JS. British Journal of Ophthalmology. 2022 Sep 1;106(9):1212-6.
  4. Anterior Segment Optical Coherence Tomography Angiography Assessment of Corneal Vascularisation After Combined Fine-Needle Diathermy with Subconjunctival Ranibizumab: A Pilot Study. Foo VHX, Ke M, Tan CQL, Schmetterer L, Mehta JS, Ang M. Adv Ther. 2021 Aug;38(8):4333-4343. 
  5. Role of anterior segment optical coherence tomography angiography in the assessment of acute chemical ocular injury: a pilot animal model study. Tey KY, Gan J, Foo VHX, Tan B, Ke MY, Schmetterer L, Mehta JS, Ang M. PMID: 34404833; PMCID: PMC8371111. Sci Rep. 2021 Aug 17;11(1):16625. doi: 10.1038/s41598-021-96086-0.
  6. 1 Year Surgical Outcomes and Safety of Combined Trans Pars Plana Vitrectomy with Iris Fixated Posterior Chamber Intraocular Lens for Subluxated Intraocular Lens and Cataracts. Foo VHX, Bong TSH, Tsai A, Lim LS, Perera SA. Clin Ophthalmol. 2021 Oct 7;15:4049-4057.
  7. Role of anterior segment optical coherence tomography angiography in assessing limbal vasculature in acute chemical injury of the eye. Ang M, Foo VHX, Ke M, Tan B, Tong L, Schmetterer L, Mehta JS. Br J Ophthalmol. 2022 Sep;106(9):1212-1216. doi: 10.1136/bjophthalmol-2021-318847.
  8. The effects of laser displacement on femtosecond laser-assisted conjunctival autograft preparation for pterygium surgery. Foo VHX, Liu YC, Ong HS, Ang M, Mehta JS. PLoS One. 2021 Jan 14;16(1):e0245223. 
  9. Decrease in Choroidal Vascularity Index of Haller's layer in diabetic eyes precedes retinopathy. Foo VHX, Gupta P, Nguyen QD, Chong CCY, Agrawal R, Cheng CY, Yanagi Y. BMJ Open Diabetes Res Care. 2020 Sep;8(1):e001295. doi: 10.1136/bmjdrc-2020-001295. 
  10. Evolving Practice Patterns in Singapore's Public Sector Ophthalmology Centers During the COVID-19 Pandemic. Khor WB, Yip L, Zhao P, Foo VHX, Lim L, Ting DSW, Loon SC, Wong E, Yong V, Tan C, Wong TY, Wong HT. Asia Pac J Ophthalmol (Phila). 2020 Jul-Aug;9(4):285-290. 
  11. Artificial intelligence for anterior segment diseases: Emerging applications in ophthalmology.  Ting DSJ, Foo VHX, Yang LWY, Sia JT, Ang M, Lin H, Chodosh J, Mehta JS, Ting DSW. Br J Ophthalmol. 2021 Feb;105(2):158-168. 
  12. 25-years Trends and Risk factors related to Surgical Outcomes of Giant Retinal Tear-Rhegmatogenous Retinal Detachments. Ting DSW, Foo VHX, Tan TE, Sie NM, Wong CW, Tsai ASH, Tan GSW, Lim LS, Yeo IYS,  Wong DWK, Ong SG, Wong EYM, Ang CL, Lee SY. Sci Rep. 2020 Mar 25;10(1):5474. 
  13. Aqueous shunts with mitomycin C versus aqueous shunts alone for glaucoma. Foo VHX, Htoon HM, Welsbie DS, Perera SA. Cochrane Database Syst Rev. 2019 Apr 19;4(4):CD011875. 
  14. Asian age-related macular degeneration: from basic science research perspective. Yanagi Y, Foo VHX, Yoshida A. Eye (Lond). 2019 Jan;33(1):34-49. 
  15. Six-Year Incidence and Risk Factors of Age-Related Macular Degeneration in Singaporean Indians: The Singapore Indian Eye Study. Foo VHX, Yanagi Y, Nguyen QD, Sabanayagam C, Lim SH, Neelam K, Wang JJ, Mitchell P, Cheng CY, Wong TY, Cheung CMG.  Sci Rep. 2018 Jun 11;8(1):8869. 
  16. Areas and factors associated with patients' dissatisfaction with glaucoma care.  Foo VHX, Tan SEM, Chen DZ, Perera SA, Sabayanagam C, Fenwick EK, Wong TT, Lamoureux EL. Clin Ophthalmol. 2017 Oct 13;11:1849-1857. 
  17. HbA1c, systolic blood pressure variability and diabetic retinopathy in Asian type 2 diabetics. Foo VHX, Quah J, Cheung G, Tan NC, Ma Zar KL, Chan CM, Lamoureux E, Tien Yin W, Tan G, Sabanayagam C. J Diabetes. 2017 Feb;9(2):200-207. 
  18. Axial Length/Corneal Radius of Curvature Ratio and Myopia in 3-Year-Old Children. Foo VHX, Verkicharla PK, Ikram MK, Chua SY, Cai S, Tan CS, Chong YS, Kwek K, Gluckman P, Wong TY, Ngo C, Saw SM, On Behalf Of The Gusto Study Group. Transl Vis Sci Technol. 2016 Feb 9;5(1):5. 
  19. Evaluation of Choroidal Thickness, Intraocular Pressure, and Serum Osmolality After the Water Drinking Test in Eyes With Primary Angle Closure. Nongpiur ME, Foo VHX, de Leon JM, Baskaran M, Tun TA, Husain R, Perera SA, Aung T. Invest Ophthalmol Vis Sci. 2015 Apr;56(4):2135-43. 
  20. Is chronic kidney disease associated with diabetic retinopathy in Asian adults? Sabanayagam C, Foo VHX, Ikram MK, Huang H, Lim SC, Lamoureux EL, Tai ES, Wong TY. J Diabetes. 2014 Nov;6(6):556-63.

Research Trials

  • Updated on