Dr John Wong – Senior Consultant Ophthalmologist

Dr John Wong

Senior Consultant Ophthalmologist and Anterior Segment Surgeon
MBBS, Dip. (Family Med.), MMed(Ophth), FRCOphth.(UK)

“I derive great satisfaction in restoring a patient’s vision and am delighted when my patients beam with joy when they experience dramatically improved vision and quality of life.”

– Dr John Wong

Dr John Wong is a Senior Consultant Ophthalmologist and Anterior Segment Surgeon at Atlas Eye Specialist Centre. The primary focus of his clinical practice is on the management of both routine and complicated cataracts, which includes femtosecond laser-assisted cataract surgery, subluxated cataract management, intraocular lens fixations, iris repair/implants, and premium intraocular

He also performs laser vision correction (LASIK/PRK/SMILE), implantable contact lens surgery, and has more than 14 years of experience in managing all general ophthalmic conditions.

Dr Wong completed his undergraduate medical training at the Yong Loo Lin School of Medicine, National University of Singapore (NUS) in 2007. This was followed by further qualifications in Family Medicine (Graduate Diploma in Family Medicine) and Ophthalmology (Masters of Medicine in Ophthalmology). He is a fellow of the Royal College of Ophthalmologists (UK).

As part of his subspecialty training, he completed an observership at Heidelberg University Eye Clinic/David J Apple Laboratory, a renowned centre in Germany at the forefront of intraocular lens research. This was followed by a year-long surgical fellowship in anterior segment surgery at Meir Medical Centre, Israel.

He has presented his research at international conferences, and has
published 14 scientific papers in peer-review journals. He is regularly involved in regional educational webinars and conferences that are related to his subspecialty.

Dr Wong continues to contribute to public healthcare by serving as a Visiting Consultant at Tan Tock Seng Hospital, where he previously served as the clinician lead for EyePACE and deputy lead of the Ophthalmology Clinic Management Committee.

He held teaching appointments as Senior Clinical Lecturer with NUS Yong Loo Lin School of Medicine, and Clinical Teacher with NTU Lee Kong Chian School of Medicine.


  1. Biometry for cataract surgery: What is good for a General Practitioner to know. Co-authored with Dr Fam HB. 65doctor.com Nov 2016 newsletter
  2. Feature Article: Keep an Eye On It – Computer Vision Syndrome. Lifewise Jan-Feb 2017.
  3. Q&A: Clearer Point of View. Lifewise Nov-Dec 2018.
  4. 6-0 polypropylene flanged fixation of IOLs. EyeWorld Asia Pacific. Vol 17 No 1. March 2021
  5. Things that can go wrong at the end of a perfect phaco – What lies beneath – Spontaneous hyphema after irrigation and aspiration. Cataract and Refractive Surgery Today. July 2021
  6. Asia-Pacific Perspectives on Spontaneous lens dislocation: why it occurs, when, management, and other insights. EyeWorld Asia Pacific. September 2022

Publications in peer-reviewed journals:

  1. Wong J, Jap A, Chee SP. Spontaneous resolution of early postoperative intraocular lens opacification in a patient with uveitis. Eye (Lond). 2011 Dec;25(12):1661-2.
  2. Wong J, Lan W, Ong LM, Tong L. Non-hormonal systemic medications and dry eye. Ocul Surf. 2011 Oct;9(4):212-26.
  3. J Wong, E Wong, S Teoh. Cytomegalovirus retinitis (CMVR)‐related retinal detachment (RD) surgery in AIDS patients in an Asian population. Acta Ophthalmol. 2013 Aug 6. 91:s252 (special issue).
  4. J Wong, SCB Teoh. Outcomes of Ganciclovir Ointment 0.15% use in Cytomegalovirus Anterior Uveitis. Invest Ophthalmol Vis Sci. 2014.55(13), 6291-6291
  5. Wong JX, Wong EP, Teoh SC. Outcomes of cytomegalovirus retinitis-related retinal detachment surgery in acquired immunodeficiency syndrome patients in an Asian population. BMC Ophthalmol. 2014 Nov 27;14:150.
  6. Wong JX, Agrawal R, Wong E.P, Teoh SC. Efficacy and safety of topical ganciclovir in the management of cytomegalovirus (CMV)-related anterior uveitis. Journal of Ophthalmic Inflammation and Infection Dec 2016 6(1):10
  7. Wong JX, Wong EP, Htoon HM, Mehta JS. Intra-operative Centration in Small Incision Lenticule Extraction (SMILE). Medicine 2017 Apr;96(16):e6076
  8. J Wong, P Huang, HB Fam. Reliability of IOLMaster 700 biometry readings in eyes with dense cataracts. Invest Ophthalmol Vis Sci. 2018. 59, 403.
  9. Wong JX, Assia EI. Intraocular foreign body and traumatic cataract removal 65 years after penetrating trauma. Eur J Ophthalmol. 2021 May;31(3):NP15-NP18. doi: 10.1177/1120672120902021.
  10. Wong J, Sella S, Assia EI. Intraoperative fundus inspection during surgery. Eur J Ophthalmol. 2020, Sep;30(5):1168-1171. doi: 10.1177/1120672120910374.
  11. Assia EI, Wong JXH. Adjustable 6-0 polypropylene flanged technique for intrascleral lens fixation. Part 1: Primary fixation – intraocular lenses in aphakia, capsular stabilizing devices, and aniridia implant. J Cataract Refract Surg. 2020 Oct;46(10):1387-1391. doi: 10.1097/j.jcrs.0000000000000260
  12. Assia EI, Wong JXH. Adjustable 6-0 polypropylene flanged technique for scleral fixation. Part 2: Repositioning of subluxated intraocular lenses. J Cataract Refract Surg. 2020 Oct;46(10):1392-1396. doi: 10.1097/j.jcrs.0000000000000261
  13. Yeo TK, Heng WJ, Pek D, Wong J, Fam HB. Accuracy of different intraocular lens formulas using total keratometry in eyes with previous myopic laser refractive surgery. Eye (Lond). 2021 Jun;35(6):1705-1711. doi: 10.1038/s41433-020-01159-5. Epub 2020 Aug 31.
  14. Yehezkeli V, Wong JX, Assia EI. Four cases of spontaneous posterior capsule rupture after hydrophilic intraocular lens implantation. J Cataract Refract Surg. 2021 March 47(3):311-315. doi:10.1097/j.jcrs.0000000000000447.
  15. Assia EI, Wong JXH, Shochot Y. The effect on post-operative intraocular lens centration by manual intraoperative centration versus auto-centration. Clin Ophthalmol. Oct 2020;14:3475-80
  16. Sheen-Ophir S, Wong J, EI Assia. Outcomes of first 50 cases using a novel Pupil Expander. J Cataract Refract Surg 2021 Sept ;47:1122-1126. doi.org/10.1097/j.jcrs.0000000000000608

Dr John Wong