Publications Presentations

Journal Review Roles

Reviewer – Singapore Medical Journal
Reviewer – Clinical & Experimental Ophthalmology
Reviewer – Investigative Ophthalmology & Visual Science
Reviewer – British Journal of Ophthalmology
Reviewer – Survey of Ophthalmology

Consensus Statements

Lead author for World Society of Paediatric Ophthalmology and Strabismus (WSPOS) Myopia Consensus Statements (2016, 2023, 2025)

Book Chapters

“Cases 33 and 34: Medicolegal Scenario in Emergency Medicine and General Practice,” in a book edited by Prof Catherine Tay and Dr Shirley Ooi.
“Post-operative Management and Visual Rehabilitation in Pediatric Cataract,” in Essentials of Pediatric Cataract Surgery, edited by Sudarshan Khokhar.

Journal Articles

Gagrani, M., Jon Heston, Daisy Godts, David Granet, Dominique Bremond-Gignac, Ramesh Kekunnaya, Richard W. Hertle, Seo Wei Leo, Ken K. Nischal. Assessing the Educational Impact of a Worldwide Webinar on Management of Myopia Progression in Children. International Journal of Environmental Research and Public Health. 2024 Dec 12; 21(12):1661.
Hong, A.S.Y., Lim, J.Y., Isa, M.S., Liew, W.K., Tan, B., Ho, C.L., Leo, S.W., Jamuar, S.S. Intragenic FOXC1 Deletion in a Vietnamese Child with Axenfeld-Rieger Syndrome: Case Report and Review of the Literature. Clinical Dysmorphology. 2023 Jul 1; 32(3):124-128.
Mehta, J.S., Chen, W.L., Cheng, A.C.K., Cung, L.X., Dualan, I.J., Kekunnaya, R., Khaliddin, N., Kim, T.I., Lam, D.K., Leo, S.W., Manurung, F., Tesavibul, N., Bremond-Gignac, D. Diagnosis, Management, and Treatment of Vernal Keratoconjunctivitis in Asia: Recommendations from the Management of Vernal Keratoconjunctivitis in Asia Expert Working Group. Frontiers in Medicine (Lausanne). 2022 Aug 1; 9:882240.
Sanjay, S., Leo, S.W., Au Eong, K.G., Adriono, G.A., Fong, K.C., Anand, K., Kadarisman, R.S., Granet, D.B., Mahendradas, P., Shetty, R., Souza, S.D., Iyer, S.P. Global Ophthalmology Practice Patterns During the COVID-19 Pandemic and Lockdown. Ophthalmic Epidemiology. 2022 Jun; 29(3):233-244.
Lee, A.C., Leo, S.W. Juvenile Myelomonocytic Leukemia: A Surprising Cause of Peri-Orbital Tumor and Squint. Annals of Hematology. 2019 May; 98(5):1313-1314.
Leo, S.W.; Scientific Bureau of the World Society of Paediatric Ophthalmology and Strabismus (WSPOS). Current Approaches to Myopia Control. Current Opinion in Ophthalmology. 2017 May; 28(3):267-275.
Chen, K.Y., Burgner, D.P., Wong, T.Y., Saw, S.M., Quek, S.C., Pang, A.Y., Leo, S.W., Wong, I.B., Zannino, D., Curtis, N., Cheung, M., Cheung, C.Y., Lim, T.C. Evidence of Microvascular Changes in the Retina Following Kawasaki Disease. Scientific Reports. 2017 Jan 17; 7:40513.
Shah, J.M., Leo, S.W., Lee, T.L., Tan, X.L., Pan, J.C., Wong, E.P., Yong, V.K., Lim, T.H., Teoh, S.C. A Cytomegalovirus Retinitis Screening Program: Evaluation of Enrollment Criteria for HIV Patients in Singapore. Ocular Immunology and Inflammation. 2015; 23(5):362-370.
Shah, J.M., Leo, S.W., Pan, J.C., Yong, V.K., Wong, E.P., Lim, T.H., Teoh, S.C. Telemedicine Screening for Cytomegalovirus Retinitis Using Digital Fundus Photography. Telemedicine and e-Health. 2013 Aug; 19(8):627-631.
Chia, A., Lin, C., Dirani, M., Gazzard, G., Leo, S.W., Wong, T.Y., Saw, S.M. Risk Factors for Strabismus and Amblyopia in Young Singapore Chinese Children. Ophthalmic Epidemiology. 2013 Jun; 20(3):138-147.
Yang, F.P., Willyasti, K., Leo, S.W. Topical Brinzolamide for Foveal Schisis in Juvenile Retinoschisis. Journal of the American Association for Pediatric Ophthalmology and Strabismus. 2013 Apr; 17(2):225-227.
Shatriah, I., Norazizah, M.A., Wan-Hitam, W.H., Wong, A.R., Yunus, R., Leo, S.W. Extensive Facial and Orbital Infantile Hemangiomas Associated with High Intraocular Pressure. Pediatric Dermatology. 2013; 30(1):151-154.
Muzaliha, M.N., Leo, S.W., Shatriah, I. Visual Acuity and Visual Skills in Malaysian Children with Learning Disabilities. Clinical Ophthalmology. 2012; 6:1527-1533.
Chan, R.V., Leo, S.W., Young, T. A Seven-Year-Old Seeking Treatment for Progressive Myopia. Journal of Pediatric Ophthalmology and Strabismus. 2011 May-Jun; 48(3):135-137.
Leo, S.W., Young, T. An Evidence-Based Update on Myopia and Interventions to Retard Myopia Progression. Journal of the American Association for Pediatric Ophthalmology and Strabismus. 2011 Apr; 15(2):181-189.
Dirani, M., Chan, Y.H., Gazzard, G., Hornbeak, D.M., Leo, S.W., Saw, S.M. Prevalence of Refractive Error in Singapore Chinese Children: The Strabismus, Amblyopia, and Refractive Error in Young Singaporean Children (STARS) Study. Investigative Ophthalmology & Visual Science. 2010 Mar; 51(3):1348-1355.
Prabakaran, S., Dirani, M., Chia, A., Gazzard, G., Fan, Q., Leo, S.W., Saw, S.M. Cycloplegic Refraction in Preschool Children: Comparisons Between Hand-Held Autorefractor, Table-Mounted Autorefractor, and Retinoscopy. Ophthalmic and Physiological Optics. 2009 Jul; 29(4):422-426.
Ngo, C.S., Leo, S.W. Industrial Accident-Related Ocular Emergencies in a Tertiary Hospital in Singapore. Singapore Medical Journal. 2008 Apr; 49(4):280-285.
Leo, S.W., Del Monte, M.A. Surgical Correction of Myopic Strabismus Fixus by Modified Loop Transposition with Scleral Myopexy. Journal of the American Association for Pediatric Ophthalmology and Strabismus. 2007 Feb; 11(1):95.
Leo, S.W., Ling, Y., Quah, B.L., Wong, T.Y. Report of the National Myopia Prevention and Control Workgroup 2006: A Summary. Annals of the Academy of Medicine, Singapore. Oct 2007; 36 (Suppl 10):65-71.
Wong, I.B., Leo, S.W., Khoo, B.K. Surgical Correction of Myopic Strabismus Fixus: Loop Myopexy for Treatment of Myopic Strabismus Fixus. Journal of the American Association for Pediatric Ophthalmology and Strabismus. 2005 Dec; 9(6):589-591.
Leo, S.W., Lee, L.K., Au Eong, K.G. Visual Experience During Phacoemulsification and Intraocular Lens Implantation Under Topical Anaesthesia: A Nationwide Survey of Singapore Ophthalmologists. Clinical and Experimental Ophthalmology. Dec 2005; 33(6):578-581.
Leo, S.W., Au Eong, K.G. Persistent Hyperplastic Pupillary Membrane. Ophthalmic Lasers and Surgery. Sept/Oct 2003; 34(5):417-419.
Amrith, S., Lee, Y.S., Lee, J.J., Liew, G.C., Leo, S.W., Khoo, B.K. Congenital Orbito-Palpebral Cyst in a Case of Fraser Syndrome. Orbit. 2003; 22(4):279-283.
Carkeet, A., Leo, S.W., Khoo, B.K., Au Eong, K.G. Modulation Transfer Function in Children: Pupil Size Dependence and Anisotropy. Investigative Ophthalmology & Visual Science. 2003 Jul; 44(7):3248-3256.
Leo, S.W., Au Eong, K.G. Comments on “The Misericordia Health Centre Cataract Comfort Study.” Canadian Journal of Ophthalmology. Feb 2003; 38(1):23-24.
Cheng, Y.K., Leo, S.W., Edwards, C.J., Koh, E.T. Primary Meningococcal Arthritis and Endogenous Endophthalmitis. Annals of the Academy of Medicine, Singapore. Sep 2003; 32(5):706-709.
Leo, S.W., Cheong, P.Y.Y. Incidence of Retinopathy of Prematurity in Singapore. Singapore Medical Journal. 1997; 38:54-57.

Leo SW. Invited Speaker, “The Avascular Retina,” 3rd Asia-Pacific Strabismus and Paediatric Ophthalmology Society Congress (APSOPS), Brisbane, Australia, June 2025
Leo SW. Invited Speaker, “Management of Complex Dermoids,” 44th Annual Congress of the European Strabismological Association (ESA), the American Association for Pediatric Ophthalmology and Strabismus (AAPOS), and Turkish Ophthalmological Association Joint Meeting, Istanbul, Turkey, June 2025
Leo SW. Invited Speaker, “Combination Therapy for Myopia Control,” International Myopia Summit (IMS) 2025, Singapore, May 2025
Leo SW. Invited Speaker, “Retinopathy of Prematurity and Myopia,” “Update on Inherited Retinal Disorders,” “Ophthalmic Sequelae of Prematurity in Adulthood,” FLORetina Meeting, Florence, Italy, December 2024
Leo SW. Invited Speaker, “Update on Imaging of the Paediatric Posterior Segment,” “Update on Inherited Retinal Disorders,” Asia Pacific Pediatric Retina Association (APPREA) Congress, Shanghai, China, November 2024
Leo SW. Invited Speaker, “Combination Therapy for Myopia,” 42nd Congress of the European Society of Cataract and Refractive Surgeons (ESCRS), Barcelona, Spain, September 2024
Leo SW. Invited Speaker, “Strabismus Surgery in Thyroid Eye Disease,” “Abnormal Head Posture,” 5th World Congress of Paediatric Ophthalmology and Strabismus (WCPOS V 2024), Kuala Lumpur, Malaysia, July 2024
Leo SW. Invited Speaker, “Management of Strabismus in Thyroid Eye Disease,” Ukrainian Association of Pediatric Ophthalmology and Optometry Meeting, June 2024
Leo SW. Invited Speaker, “Pre-Cataract Surgery,” 36th Annual Asia-Pacific Association of Cataract and Refractive Surgeons (APACRS) Meeting, Chengdu, China, May 2024
Leo SW. Invited Speaker, “Blepharitis,” 39th Asia-Pacific Academy of Ophthalmology (APAO) Congress, Bali, Indonesia, February 2024
Leo SW. Invited Speaker, “Myopia Management,” FLORetina / International Council of Ophthalmology of Refractive Surgery (ICOOR) 2023, Rome, Italy, December 2023
Leo SW. Invited Speaker, “Pre-Cataract Surgery,” 35th Annual Asia-Pacific Association of Cataract and Refractive Surgeons (APACRS) Meeting, June 2023
Leo SW. Moderator and Speaker, World Society of Paediatric Ophthalmology and Strabismus (WSPOS) Independent Medical Education Programme – "Myopia Management: Preventing Axial Length Elongation with Spectacles, Contact Lenses & Orthokeratology," 15 April 2023
Leo SW. Invited Speaker, “Blepharoconjunctivitis,” 38th Asia-Pacific Academy of Ophthalmology (APAO) Congress, Kuala Lumpur, Malaysia, February 2023
Leo SW. Speaker, World Society of Paediatric Ophthalmology and Strabismus (WSPOS) Independent Medical Education Programme – Myopia Management, February 2023
Leo SW. Chairperson and Speaker, “Managing Allergic Eye Disease in Children,” World Ophthalmology Congress 2022 (Virtual) (WOC2022®), September 2022
Leo SW. Speaker, World Society of Paediatric Ophthalmology and Strabismus (WSPOS) Webinar on Vernal Keratoconjunctivitis, July 2022
Leo SW. Moderator, World Society of Paediatric Ophthalmology and Strabismus (WSPOS) Webinar – “Management of Ocular Problems in Children with Down’s Syndrome,” March 2022
Leo SW. Invited Speaker, “Advances in Strabismus Surgery,” National University Health System (NUHS) 36th Anniversary Meeting, January 2022
Leo SW. Invited Speaker, “Interesting Strabismus Cases,” 33rd Asia-Pacific Association of Cataract and Refractive Surgeons – Singapore National Eye Centre (APACRS-SNEC) International Meeting, July 2021
Leo SW. Invited Speaker, “Update on Childhood Myopia,” 15th Congress of the Middle East Africa Council of Ophthalmology, June 2021
Leo SW. Speaker, “Strabismus Surgery for Thyroid Eye Disease,” World Society of Paediatric Ophthalmology and Strabismus (WSPOS) Webinar on Thyroid Eye Disease, March 2021
Leo SW. Speaker, Worldwide Webinar Series 17 – Myopia, August 2020
Leo SW. Invited Speaker, “Atropine Treatment for Myopia,” Jakarta Eye Center Webinar, July 2020
Leo SW. Moderator and Speaker, “Brown Syndrome,” World Society of Paediatric Ophthalmology and Strabismus (WSPOS) Worldwide Webinar Series 3, May 2020
Leo SW. Chairperson, “Paediatric Ocular Surface Disease,” World Society of Paediatric Ophthalmology and Strabismus (WSPOS) Subspecialty Day at the European Society of Cataract and Refractive Surgeons (ESCRS), Paris, France, September 2019
Leo SW. Invited Speaker, “Crowded Discs”; Panelist, “Myopia Control,” National Healthcare Group Eye Institute 8th International Ophthalmology Congress, Singapore, October 2018
Leo SW. Speaker, “Management of Complex Dermoids,” World Society of Paediatric Ophthalmology and Strabismus (WSPOS) Subspecialty Day at the European Society of Cataract and Refractive Surgeons (ESCRS), Vienna, Austria, September 2018
Leo SW. Invited Speaker, “Myopia Interventions,” “Neurofibromatosis Type 1 and Type 2 (NF-1 and NF-2),” “Re-operations in Patients with High Myopia,” 4th World Congress of Paediatric Ophthalmology and Strabismus (WCPOS IV 2017), Hyderabad, India, December 2017
Leo SW. Invited Speaker, “Post-Retinal Surgery Diplopia,” Eye on the Future Conference, Hyderabad, India, November 2017
Leo SW. Speaker and Panelist, “Case Presentations,” Asia-Pacific Strabismus and Paediatric Ophthalmology Society (APSPOS) Congress, Hong Kong, October 2017
Leo SW. Invited Speaker, “Orthokeratology for Myopia Control: An Ophthalmologist’s View,” 32nd Asia-Pacific Academy of Ophthalmology (APAO) Congress, Singapore, March 2017
Leo SW. Conducted a workshop on Paediatric Cataract, Annual Meeting of the American Academy of Ophthalmology (AAO), Chicago, USA, October 2016
Leo SW. Invited Speaker, “Myopia Control,” 29th Annual Asia-Pacific Association of Cataract and Refractive Surgeons (APACRS) Meeting, Bali, Indonesia, July 2016
Leo SW. Invited Speaker, “Management of Myopia,” Delhi Ophthalmological Society 67th Annual Conference, New Delhi, India, April 2016
Leo SW. Course Instructor. “Myopia Management and Orthokeratology,” 42nd Annual Meeting of the American Association for Pediatric Ophthalmology and Strabismus (AAPOS), Vancouver, Canada, April 2016
Leo SW. Scientific Bureau Committee Member. Video Presentation, “Interventions to Retard Myopia Progression,” 3rd World Congress of Paediatric Ophthalmology and Strabismus (WSPOS), Barcelona, Spain, September 2015
Leo SW. Invited Speaker, “Indications for Strabismus Surgery,” “Tricks and Tips for Superior Oblique Surgery,” 40th Indonesian Ophthalmology Association Annual Meeting, Bandung, Indonesia, August 2015
Leo SW. Invited Speaker, “Myopia Control in Children,” 28th Annual Meeting of the Asia-Pacific Association of Cataract and Refractive Surgeons (APACRS), Kuala Lumpur, Malaysia, August 2015
Leo SW. Invited Speaker, “Interventions to Retard Myopia Progression,” 30th Asia-Pacific Academy of Ophthalmology (APAO), Guangzhou, China, April 2015
Leo SW. Invited Speaker, “Can We Prevent Myopia?” 2nd Asia-Pacific Glaucoma Congress / 10th International Symposium of Ophthalmology, Hong Kong, September 2014
Leo SW. “Neuroimaging in Paralytic Strabismus: When Do I Do It and How Do I Do It?”; “Interventions to Retard Myopia Progression,” Inaugural Congress of the ASEAN Ophthalmology Society, Bangkok, Thailand, July 2014
Leo SW. Invited Speaker, “Current Thoughts on Myopia,” “Optimal Treatment for Amblyopia,” “Learning Difficulties in Children,” “Capillary Haemangioma,” “Anti-VEGFs for Retinopathy of Prematurity,” 5th Annual Scientific Meeting of the Malaysian Society of Ophthalmology, Ipoh, Malaysia, March 2014
Leo SW. Invited Speaker, “Indications for Strabismus Surgery,” “Tricks and Tips for Superior Oblique Surgery,” Case Presentations, Jakarta Eye Centre International Meeting and 2nd ASEAN Ophthalmology Forum, Jakarta, Indonesia, February 2014
Leo SW. Case Presentations, 9th International Symposium of Ophthalmology, Guangzhou, China, November 2013
Leo SW. Invited Speaker, “Evidence-Based Update of Interventions to Retard Myopia Progression,” Asia-ARVO 2013, New Delhi, India, October 2013
Leo SW. Invited Speaker, “Learning Disability and the Eye: The 2013 Update,” 15th Congress of Paediatric Ophthalmology and Strabismus, Tianjin, China, June 2013
Leo SW. Invited Speaker, “Looking at Converting to Femtosecond Laser Cataract Surgery: What to Consider?” Innovision: Advancements in Eye Care, Kuala Lumpur, Malaysia, 15th June 2013
Leo SW. “My Paperless Clinic,” Zeiss International Refractive Symposium 2013, 16th March 2013
Leo SW. “Paralytic Strabismus: When to Investigate?” 8th International Symposium of Ophthalmology, Hong Kong, December 2012
Leo SW. “Controversial Treatments in Dyslexia,” XXX Congress of the European Society of Cataract and Refractive Surgeons / 2nd World Congress of Paediatric Ophthalmology and Strabismus, Milan, Italy, September 2012
Leo SW. “Evidence-Based Update of Interventions to Retard Myopia Progression: The 2012 Update,” 37th Annual Scientific Meeting of the Indonesian Ophthalmological Association, Surabaya, Indonesia
Leo SW.“Applying Modern Technology to Your Ophthalmology Practice,” 27th Asia-Pacific Academy of Ophthalmology Congress, Busan, South Korea, April 2012 [YouTube Presentation: www.youtube.com/watch?v=TWKAqa66d8U]
Leo SW.“Surgery for Myopic Strabismus Fixus,” 27th Asia-Pacific Academy of Ophthalmology Congress, Busan, South Korea, April 2012
Leo SW. “Learning Disability and the Eye: The 2012 Update,” 27th Asia-Pacific Academy of Ophthalmology Congress, Busan, South Korea, April 2012
Pang AYC, Leo SW. “Retinal Vasculature in Children with Kawasaki Disease,” Winner of Research Prize, National Healthcare Group Eye Institute, 4th Ophthalmology Congress, Singapore, November 2011
Leo SW. “Indications for Strabismus Surgery,” 13th International Paediatric Ophthalmology Meeting, Dublin, Ireland, October 2011
Leo SW. “Superior Oblique Surgery,” 13th International Paediatric Ophthalmology Meeting, Dublin, Ireland, October 2011
Leo SW. “Update on Interventions to Retard Myopia Progression,” Annual Meeting of the American Academy of Ophthalmology, Orlando, USA, October 2011
Leo SW, Chang M, Bo YC. Instructional Course Presentation, “Applying New Technology to Your Paediatric Ophthalmology Clinic,” American Association for Paediatric Ophthalmology and Strabismus Annual Meeting, San Diego, USA, April 2011
Leo SW. “Learning Disabilities and the Eye,” Asia-Pacific Academy of Ophthalmology (APAO) Congress, Sydney, Australia, April 2011
Leo SW, MA del Monte. “Surgical Correction of Myopic Strabismus Fixus by Modified Loop Transposition with Scleral Myopexy,” 3rd International Ophthalmology Congress, Singapore, November 2010
Leo SW. “Learning Disabilities and the Eye,” 3rd International Ophthalmology Congress, Singapore, November 2010
Leo SW, MA del Monte. “Surgical Correction of Myopic Strabismus Fixus by Modified Loop Transposition with Scleral Myopexy,” International Strabismological Association Meeting, Istanbul, Turkey, September 2010
Leo SW. Invited Speaker, “Evidence-Based Update on Interventions to Retard Myopia Progression,” Asia-Pacific Academy of Ophthalmology – American Academy of Ophthalmology Joint Congress, Beijing, China, September 2010
Leo SW. “Superior Oblique Surgery: Tips & Tricks,” Indonesia Ophthalmologists Association (IOA) 12th National Congress & 35th Annual Scientific Meeting, Semarang, Indonesia, July 2010
Leo SW. “Update on Interventions to Retard Myopia Progression,” Indonesia Ophthalmologists Association (IOA) 12th National Congress & 35th Annual Scientific Meeting, Semarang, Indonesia, July 2010
Leo SW. “Surgery for Paralytic Strabismus,” Indonesia Ophthalmologists Association (IOA) 12th National Congress & 35th Annual Scientific Meeting, Semarang, Indonesia, July 2010
Leo SW, Yip CC. “Strabismus in Thyroid Eye Disease,” Indonesia Ophthalmologists Association (IOA) 12th National Congress & 35th Annual Scientific Meeting, Semarang, Indonesia, July 2010
Willyasti K, Leo SW. “Topical Brinzolamide for Juvenile Retinoschisis,” Indonesia Ophthalmologists Association (IOA) 12th National Congress & 35th Annual Scientific Meeting, Semarang, Indonesia, July 2010
Leo SW. “Superior Oblique Surgery: Tips & Tricks,” Tianjin International Ophthalmology Forum and Sino-Japan Forum, Tianjin, China, July 2010
Leo SW. “Evidence Update on Interventions to Retard Myopia Progression,” Tianjin International Ophthalmology Forum and Sino-Japan Forum, Tianjin, China, July 2010
Leo SW. “Superior Oblique Surgery: Tips & Tricks,” International Summit Forum for Strabismus and Paediatric Ophthalmology, Shanghai, China, June 2010
Leo SW.“Evidence-Based Update on Interventions to Retard Myopia Progression,” International Summit Forum for Strabismus and Paediatric Ophthalmology, Shanghai, China, June 2010
Leo SW, MA del Monte.“Surgical Correction of Myopic Strabismus Fixus by Modified Loop Transposition with Scleral Myopexy,” Asia-Pacific Academy of Ophthalmology – American Academy of Ophthalmology Joint Congress, Bali, Indonesia, May 2009
Leo SW, Young T. “An Evidence-Based Update on Myopia and Interventions to Retard Myopia Progression,” American Association for Paediatric Ophthalmology and Strabismus Annual Meeting, San Francisco, USA, April 2009
Tan P, Leo SW. “Transscleral Fixation of Intraocular Lens: Our Experience,” Singapore National Eye Centre 18th International Meeting, March 2008
Leo SW, MA del Monte. Invited Speaker, “Surgical Correction of Myopic Strabismus Fixus: Improved Success with a New Surgical Protocol for Partially Accommodative Esotropia,” New England College of Optometry 2006–2007 Research Lecture Series, Boston, USA, 19th April 2007
Leo SW, MA del Monte. Invited Instructional Course Presenter “Accommodative Esotropia,” 21st Congress of the Asia-Pacific Academy of Ophthalmology, June 2006
Leo SW, MA del Monte. “Sutureless Fornix Incision in Strabismus Surgery,” 21st Congress of the Asia-Pacific Academy of Ophthalmology, June 2006
Leo SW, TH Lim. Instructional Course, “Cost-Effective Management Programme for AIDS-Associated Cytomegalovirus (CMV) Retinitis,” 21st Congress of the Asia-Pacific Academy of Ophthalmology, June 2006
Leo SW. “Sutureless Fornix Incision in Strabismus Surgery,” 6th International Congress of Ophthalmology and Optometry, Shanghai, China, April 2006
Leo SW, MA del Monte. Invited Speaker, “Results of a New Surgical Protocol for Partially Accommodative Esotropia,” Midwest Regional American Association of Certified Orthoptists (AACO) Orthoptic Meeting, June 2005
Leo SW, MA del Monte. “Results of a New Surgical Protocol for Partially Accommodative Esotropia,” 21st Annual Research Day, W.K. Kellogg Eye Center, May 2005
A/Prof Siow Jin Keat, Leo SW. “Post Endoscopic Sinus Surgery (ESS) Medial Rectus Muscle Trauma: Approach to Correction of Diplopia,” Annual Endoscopic Sinus Surgery Course, Otorhinolaryngology Hospital, Sun Yat-sen University, Guangzhou, China, May 2005
A/Prof Siow Jin Keat, Leo SW. “Post Endoscopic Sinus Surgery (ESS) Medial Rectus Muscle Trauma: The Ophthalmologist’s Approach to Correction of Diplopia,” First Joint Malaysia-Singapore Ear, Nose, and Throat Societies Meeting, Kuala Lumpur, Malaysia, April 2005
Leo SW, SP Chan, HM Lee. “Monovision Outcomes After Laser in Situ Keratomileusis (LASIK),” 17th International Congress of the International Council of Intraocular Implant and Refractive Surgery (ICIMRK) of the Asia-Pacific Association of Cataract and Refractive Surgeons (APACRS) and 30th Indonesian Ophthalmology Association (IOA) Annual Meeting, Bali, Indonesia, June 2004
Leo SW, CSH Tan, VKY Yong, JCH Pan, SCB Teoh, TH Lim. “Telemedicine Screening for Cytomegalovirus (CMV) Retinitis Using Digital Fundus Photography,” 22nd Singapore-Malaysia Joint Congress in Ophthalmology, Singapore, May 2004
A Carkeet, Leo SW, BK Khoo, KG Au Eong, SM Saw. “Supervision in Singaporean Pre-School Children,” 17th Singapore-Malaysia Joint Congress in Ophthalmology in conjunction with 4th Singapore Eye Research Day, May 2002
Leo SW, “Myopia and Refractive Errors,” Paramedical Symposium, 17th Singapore-Malaysia Joint Congress in Ophthalmology in conjunction with 4th Singapore Eye Research Day, 21st May 2002
Leo SW, LW Voon, TY Wong, S Amrith. “Ophthalmic Injury and Traumatic Optic Neuropathy Associated with Craniofacial Trauma,” First Singapore Eye Research Institute International Meeting, Singapore, September 2001
Leo SW, M Rosman, S Amrith. Presenter, “A New Technique for Bicanalicular Intubation: The Ritleng System,” 18th Singapore-Malaysia Joint Meeting in Ophthalmology, Singapore, August 2000
Leo SW, L Thean, SP Chee. “Cilioretinal Artery Occlusion in a Systemic Lupus Erythematosus Patient,” Singapore National Eye Research Meeting, Singapore, August 2000
Leo SW, L Thean, SP Chee. Presenter, “Cilioretinal Artery Occlusion in Antiphospholipid Syndrome,” 5th International Symposium on Uveitis, Buenos Aires, Argentina, March 2000
Leo SW, CT Choo. Presenter, “Solitary Fibrous Tumour of the Orbit,” 17th Malaysia-Singapore Ophthalmic Congress, Malacca, Malaysia, June 1999
Leo SW, KT Yeo. Presenter, “Vitrectomy for Central and Branch Retinal Vein Occlusion,” 17th Congress of the Asia-Pacific Academy of Ophthalmology, Manila, Philippines, March 1999
Leo SW, YW Lim. Presenter, “Fraxiparine Use in Obstetrics,” Kandang Kerbau Hospital Monthly Hospital Meeting, Singapore, January 1997
GH Koh, TSH Ong, Leo SW, C Khi, E Loke, NKY Leong. Presenter, “Retrospective Analysis of Semen Parameters Among Infertile Couples in Kandang Kerbau Hospital, Singapore,” Fertility Society of Australia Annual Scientific Meeting, Melbourne, Australia, November 1995
GH Koh, TSH Ong, Leo SW, C Khi, E Loke, NKY Leong. Presenter, “Retrospective Analysis of Semen Parameters Among Infertile Couples in Kandang Kerbau Hospital, Singapore,” 3rd Kandang Kerbau Hospital Scientific Meeting, Singapore, July 1995
Leo SW, TSC Leong, CCI Foo, KBL Lee, VCC Lim, WY Lum, KJ Tan. Presenter, “Anti-Fungal Properties of Wood Extractives,” Singapore Youth Science Fortnight, Singapore, 1990 (Bronze Medal)
Leo SW, EC Ren. Presenter, “Production of Monoclonal Antibodies Against Hepatitis B Virus,” 2nd Science Research Programme Research Congress, Singapore, November 1989

Hong ASY, Leo SW, “Optical Coherence Tomography (OCT) for Management of Pseudotumour Cerebri (PTC) in Acute Promyelocytic Leukemia (APL) patients on All-Trans Retinoic Acid (ATRA),” 14th Annual Congress on Controversies in Ophthalmology (COPHy 2023), Lisbon, Portugal, March 2023
Pang AYC, Leo SW, “Retinal Vasculature in Children with Kawasaki Disease,” American Association for Pediatric Ophthalmology and Strabismus Annual Meeting, San Diego, April 2011
Foo FY, Leo SW, “A Nationwide Survey of Singapore Ophthalmology Residents’ Interest in Pediatric Ophthalmology and Strabismus (POS) as a Career,” American Academy of Ophthalmology Annual Meeting, Chicago, USA, October 2010 (Best of Show)
Leo SW, DC Musch, MA del Monte, “Improved Success with a New Surgical Protocol for Partially Accommodative Esotropia,” International Strabismological Association Meeting, Istanbul, Turkey, September 2010
Tan XL, BK Khoo, SM Saw, KG Au Eong, YJ Wu, PHY Phoon, Leo SW, “Prevalence of Refractive Errors in Singapore Preschoolers,” The Association for Research in Vision and Ophthalmology (ARVO) Annual Meeting, Florida, USA, May 2010
Foo FY, Leo SW, “A Nationwide Survey of Singapore Ophthalmology Residents’ Interest in Pediatric Ophthalmology and Strabismus (POS) as a Career,” American Association for Pediatric Ophthalmology and Strabismus Annual Meeting, Orlando, USA, April 2010
Leo SW, MA del Monte, “Surgical Correction of Myopic Strabismus Fixus by Modified Loop Transposition with Scleral Myopexy,” 32nd Meeting of the European Strabismological Association, Munich, Germany, September 2008
Foo FY, M Yeoh, Leo SW, “Strabismus Surgery for Sensory Heterotropia in Asian Patients,” 32nd Meeting of the European Strabismological Association, Munich, Germany, September 2008
Young TL, Leo SW, Selvaraj PB, Jarigue A, Saw SM, “Ocular Refractive Biometry in the STARS Study (Strabismus, Amblyopia, Refractive Errors in Singapore Preschool Children),” 34th Annual Meeting of the American Association for Pediatric Ophthalmology and Strabismus, Washington DC, USA, April 2008
Leo SW, MA del Monte, “Surgical Correction of Myopic Strabismus Fixus by Modified Loop Transposition with Scleral Myopexy,” 33rd Annual Meeting of the American Association for Pediatric Ophthalmology and Strabismus, Seattle, USA, April 2007
Leo SW, DC Musch, MA del Monte, “Improved Success with a New Surgical Protocol for Partially Accommodative Esotropia,” Annual Meeting of the American Academy of Ophthalmology, Las Vegas, USA, November 2006 (mentioned in Medscape Ophthalmology as Editor’s Pick)
Leo SW, SP Chan, HM Lee, “Monovision Outcomes after LASIK,” Annual Meeting of the American Academy of Ophthalmology, Las Vegas, USA, November 2006
Leo SW, BK Khoo, SM Saw, KG Au Eong, YJ Wu, PHY Phoon, XL Tan, “Prevalence of Refractive Errors in Singapore Preschoolers,” 11th International Myopia Conference, August 2006
A Chia, TY Wong, BL Quah, Y Ling, Leo SW, PM Lam, KG Au Eong, B Chang, A Jarigue, D Tan, SM Saw, “A Study on Refractive Error, Amblyopia, and Strabismus in Singaporean Preschoolers (RASSE),” 11th International Myopia Conference, August 2006
Inez BY Wong, Leo SW, BK Khoo, “Surgical Correction of Myopic Strabismus Fixus,” 2005 Annual Meeting of the American Association for Pediatric Ophthalmology and Strabismus, Orlando, USA, March 2005
E Poh, Leo SW, SA Lim, “Bitemporal Hemianopia Associated with Ethambutol Use,” The 17th ICIMRK of the Asia-Pacific Association of Cataract & Refractive Surgeons (APACRS) and 30th Indonesia Ophthalmologists Association (IOA) Annual Meeting, Bali, Indonesia, June 2004
Leo SW, CSH Tan, VKY Yong, JCH Pan, SCB Teoh, TH Lim, “Telemedicine Screening for Cytomegalovirus (CMV) Retinitis Using Digital Fundus Photography,” 19th Congress of the Asia-Pacific Academy of Ophthalmology, Bangkok, Thailand, 29 November – 3 December 2003
Leo SW, SP Chan, HM Lee, “Monovision Outcomes after Laser in situ Keratomileusis (LASIK),” 21st Singapore-Malaysia Joint Congress in Ophthalmology, June 2003
Leo SW, CSH Tan, VKY Yong, TH Lim, “Telemedicine Screening for Cytomegalovirus (CMV) Retinitis Using Digital Photography,” 2003 Annual Meeting of the American Academy of Ophthalmology, Anaheim, California, USA, 15–18 November 2003
CSH Tan, Leo SW, VKY Yong, TH Lim, “A National Cytomegalovirus (CMV) Retinitis Screening Program – Evaluation of Enrollment Criteria,” 2003 Annual Meeting of the American Academy of Ophthalmology, Anaheim, California, USA, 15–18 November 2003
Leo SW, SP Chan, HM Lee, “Monovision outcomes after laser-in-situ keratomileusis (LASIK),” 2nd National Healthcare Group (NHG) Scientific Congress, October 2003
Leo SW, LKM Lee, KG Au Eong, “Visual Experience During Phacoemulsification and Intra-ocular Lens Implantation under Topical Anaesthesia: A National Survey on the Knowledge and Practices of Ophthalmologists in Singapore,” 29th World Congress of Ophthalmology, Sydney, April 2002
Leo SW, LW Voon, TY Wong, S Amrith, “Ophthalmic Injury and Traumatic Optic Neuropathy Associated with Craniofacial Trauma,” 29th World Congress of Ophthalmology, Sydney, April 2002
LKM Lee, Leo SW, KG Au Eong, “Visual Experience During Cataract Surgery and Intra-ocular Lens Implantation under Regional Anaesthesia: A National Survey on the Knowledge and Practices of Ophthalmologists in Singapore,” 29th World Congress of Ophthalmology, Sydney, April 2002
S Amrith, YS Lee, JJ Lee, GC Liew, Leo SW, BK Khoo, “Orbito-palpebral Cyst with Cryptophthalmos in a Case of Fraser Syndrome,” Orbit Meeting, Vancouver, 2002
Leo SW, LW Voon, TY Wong, S Amrith, “Traumatic Optic Neuropathy Associated with Craniofacial Trauma,” 17th Singapore-Malaysia Joint Congress in Ophthalmology in Conjunction with 4th Singapore Eye Research Day, May 2002
Leo SW, LKM Lee, KG Au Eong, “Visual Experience During Phacoemulsification and Intra-ocular Lens Implantation under Topical Anaesthesia: A National Survey on the Knowledge and Practices of Ophthalmologists in Singapore,” 17th Singapore-Malaysia Joint Congress in Ophthalmology in Conjunction with 4th Singapore Eye Research Day, May 2002
Leo SW, KG Au Eong, “Hyperplastic Persistent Pupillary Membrane,” 1st National Healthcare Group (NHG) Scientific Congress, 17th & 18th August 2002
Leo SW, LW Voon, TY Wong, S Amrith, “Traumatic Optic Neuropathy Associated with Craniofacial Trauma,” American Academy of Ophthalmology (AAO) Meeting, New Orleans, November 2001