Biography of Assoc. Prof. Dr. Preamjit Saonanon

2011 – Present

Associate Professor, Faculty of Medicine, Chulalongkorn University — based at King Chulalongkorn Memorial Hospital

2016 – Present

Physician, Saonanon Clinic, Bangkok

2019 – 2021

Executive Committee, Asia Pacific Society of Ophthalmic Plastic and Reconstructive Surgery (APSOPRS)

2005 – 2007

Associate Director, Royal Thai Naval Academy Hospital, Bangkok

2004 – 2005

Internship, Queen Sirikit Hospital, Chonburi

• 2013Certification of Research Fellowship in Oculoplastic and Reconstructive Surgery, University of California, San Diego
• 2013ECFMG Certificate — USMLE Step 1, Step 2 CK and Step 2 CS
• 2011Thai Board of Ophthalmic Plastic and Reconstructive Surgery
• 2010Thai Board of Ophthalmology
• 2004Thai Medical License

APSOPRS

The Asia-Pacific Society of Ophthalmic Plastic and Reconstructive Surgery — Executive Committee 2019–2021, member since 2017

AAO

The American Academy of Ophthalmology — member since 2011

Thai-SOPRS

The Thai Society of Ophthalmic Plastic and Reconstructive Surgery — Executive Committee and member since 2011

RCOPT

The Royal College of Ophthalmologists of Thailand — member since 2010

TMC / MAT

Thai Medical Council and Medical Association of Thailand — member since 2004

International

• 2025“Clinical Photography for Eyelid and Orbital Disorders: Capturing the Right View” — APSOPRS Annual Meeting jointly with the Royal College of Ophthalmologists of Thailand, 12–14 November 2025, Centara Grand and Bangkok Convention Center, Bangkok
• 2024Expert panelist — Young APSOPRS Webinar on Challenging Cases and Practice Building, Asia-Pacific Society of Ophthalmic Plastic and Reconstructive Surgery, 6 July 2024 (online)
• 2023“Revision of orbital fracture repair: Fix the missing points” and “Self retaining bicanalicular stent insertion vs dacryocystorhinostomy in PANDO without dacryocystitis” — APSOPRS Annual Meeting, 9–11 June 2023, Tivoli Chengdu at Cultural Heritage Park, Chengdu, China
• 2023“Challenging Cases (Eyelids)” — World Society of Ophthalmic, Plastic, Reconstructive and Aesthetic Surgery Annual Meeting, 5–7 May 2023, Mohammed Bin Rashid University, Dubai Healthcare City, UAE
• 2022“Eyelid retraction and Hering’s law” — the 5th ASEAN Ophthalmology Society Virtual Congress 2022, 26 March 2022 (online)
• 2021“Sub-brow blepharoplasty with ROOF transposition to correct hollow socket” — the Third Webinar of APSOPRS – INASOPRS (Indonesian Society of Ophthalmic Plastic and Reconstructive Surgery), 12 December 2021 (Zoom)
• 2021“Implantation of a Newly Designed Supratarsal Gold Weight Versus the Traditional Pretarsal Model for the Correction of Paralytic Lagophthalmos” — Plastic and Reconstructive Surgery Korea (PRS Korea) Annual Meeting, 14 November 2021 (Zoom)

National

• 2026“Surgical Planning in Complex Orbital Reconstruction” — The Eye Soft Cadaver Dissection, Orbital Reconstruction: 3D Printing Workshop, Ophthalmic Plastic and Reconstructive Surgery Unit, Chulalongkorn University, 23–25 March 2026
• 2025“Bridging Endocrine and Ophthalmic Case in Thyroid Eye Disease” — Annual Meeting of the Endocrinology Unit, Department of Medicine, Faculty of Medicine, Chulalongkorn University, 17–19 December 2025
• 2025“MMCR Ptosis Repair” and “Post-Blepharoplasty Lower Eyelid Retraction” — Ramathibodi Plastic Surgery Annual Meeting, Ramathibodi Hospital, 25–26 August 2025, Pullman King Power, Bangkok
• 2025“Complication Management: Avoid the ‘Pull Down’ Look” and “Revision Blepharoplasty: A Case-Based Video Symposium” — Annual Meeting of the Royal College of Ophthalmologists of Thailand, 14–16 July 2025, Centara Grand and Bangkok Convention Center
• 2025Speaker and panelist, “A Surgeon’s Video Odyssey: Oculoplastics in Motion” — Thai Society of Ophthalmic Plastic and Reconstructive Surgery Annual Meeting, 14–15 June 2025, Asawin Grand Vibhavadi, Bangkok
• 2023“Complications in Endoscopic Sinus and Orbital Surgeries” — The Eye Soft Cadaver Dissection, Ophthalmic Plastic and Reconstructive Surgery Unit, Chulalongkorn University, 8–10 November 2023
• 2023“Lower Blepharoplasty” — Thai Society of Ophthalmic Plastic and Reconstructive Surgery Annual Meeting, 2–3 September 2023, Hyatt Regency Bangkok Sukhumvit
• 2023“Eyelid Asymmetry” — Annual Meeting of the Royal College of Ophthalmologists of Thailand, 19–21 July 2023, Centara Grand and Bangkok Convention Center
• 2023“Upper Blepharoplasty, We Can Do It Best” — TROPHY (Thammasat Recent Advance in Ophthalmology), Thammasat University, 21 May 2023, Centara Grand and Bangkok Convention Center

Journal Articles

• 2026Chompoowong R, Phankeaw P, Suwannavong A, Visamol S, Pitikiadtikun S, Saonanon P, Pruksakorn V, Potita P, Palaga T, Virakul S. Epigenetic Modulation of Thyroid-Stimulating Hormone Receptor Expression in Orbital Fibroblasts From Graves' Ophthalmopathy: Target for Treatment. Invest Ophthalmol Vis Sci. 2026;67(10):21.
• 2025Chompoowong R, Wongphoom J, Kitkumthorn N, Saonanon P, Pruksakorn V, Palaga T, Hirankarn N, van Hagen PM, Dik WA, Virakul S. Elastin as a Novel Extracellular Matrix From Aberrant HDAC4 Expression in PDGF-BB-Induced Orbital Fibroblasts From Graves' Ophthalmopathy Patients. Invest Ophthalmol Vis Sci. 2025;66(9):30.
• 2024Saonanon P, Witoonchart W, Charnvanich D, Thompho S, Chaiseeda K, Chongpison Y, Satitpitakul V. A randomized fellow-eye controlled trial study of 1% terpinen-4-ol vs 1% tea tree oil eyelid cleanser for the treatment of meibomian gland dysfunction. AJO International. 2024;1(3):100052.
• 2024Potita P, Pruksakorn V, Srichomkwun P, Kingpetch K, Saonanon P. Selenium supplementation in inactive moderate to severe Graves' orbitopathy patients: a randomized controlled trial. Orbit. 2024;43(3):329-336.
• 2024Visamol S, Palaga T, Saonanon P, Pruksakorn V, Hirankarn N, van Hagen PM, Dik WA, Virakul S. EZH2 as a major histone methyltransferase in PDGF-BB-activated orbital fibroblast in the pathogenesis of Graves' ophthalmopathy. Sci Rep. 2024;14(1):7947.
• 2024Lailaksiri N, Wanichsetakul P, Saonanon P. Implantation of a newly designed supratarsal gold weight versus the traditional pretarsal model for the correction of long-standing paralytic lagophthalmos: a retrospective cohort study. Arch Plast Surg. 2024;51(2):163-168.
• 2024Limchupornwikun N, et al. Orbital teratoma in neonates: a report of a rare congenital orbital mass. J Hematol Transfus Med. 2024;34:67-71.
• 2022Rokaya D, Kritsana J, Amornvit P, Dhakal N, Khurshid Z, Zafar MS, Saonanon P. Magnification of Iris through Clear Acrylic Resin in Ocular Prosthesis. J Funct Biomater. 2022;13(1):29.
• 2022Rokaya D, et al. Orientation of the Iris in Ocular Prosthesis Use of a Light Source. J Datta Meghe Inst Med Sci Univ. 2022;17(3):747-748.
• 2022Kittichokechai P, Sirichatchai K, Puncreobutr C, Lohwongwatana B, Saonanon P. A Novel Patient-specific Titanium Mesh Implant Design for Reconstruction of Complex Orbital Fracture. Plast Reconstr Surg Glob Open. 2022;10(1):e4081.
• 2021Saonanon P. High Eyelid Crease Deformity in Asians: A Clinical Evaluation and Corrective Strategies. Am J Cosmet Surg. June 2021. doi:10.1177/07488068211026719
• 2021Ekronarongchai S, Palaga T, Saonanon P, Pruksakorn V, Hirankarn N, van Hagen PM, Dik WA, Virakul S. Histone Deacetylase 4 Controls Extracellular Matrix Production in Orbital Fibroblasts from Graves' Ophthalmopathy Patients. Thyroid. 2021.
• 2021Arreenich P, Saonanon P, Aeumjaturapat S, Snidvongs K, Chusakul S, Kanjanaumporn J. Efficacy and safety of retrobulbar amphotericin B injection in invasive fungal rhinosinusitis with orbital invasion patients. Rhinology. 2021;59(4):387-392.
• 2021Saonanon P, Rattanakit K, Vejanurug P, Thanyavuthi A. Skin tightening by an insulated microneedle radiofrequency device combined with lower blepharoplasty: a randomized fellow eye comparison study. J Cosmet Med. 2021;5(1):30-35.
• 2019Saonanon P, Potita P. Contralateral Mueller's muscle-conjunctiva resection: a therapeutic option in thyroid eye disease patients with unilateral eyelid retraction. Orbit. 2019;39:98-101.
• 2019Lumyongsatien M, Keeratidamkerngsakul B, Pornpanich K, Vangveeravong S, Saonanon P, Wiwatwongwana D, Mahaisavariya P, Aryasit O, Pongpirul K. Development and psychometric properties of the Thai Graves' ophthalmopathy quality of life (GO-QOL) questionnaire. J Patient Rep Outcomes. 2019;4(1):1.
• 2019Supachutikul K, Pruksakorn V, Saonanon P. A Comparison of Superior Visual Field Defect in Single Eyelid Population with and without Compensatory Brow Elevation. Int J Ophthalmol Clin Res. 2019;6:108.
• 2018Saonanon P, Sithanon S. External levator advancement versus Müller muscle–conjunctival resection for aponeurotic blepharoptosis: a randomized clinical trial. Plast Reconstr Surg. 2018;141(2):213e-219e.
• 2017Keelawat S, Tirakunwichcha S, Saonanon P, Maneesri-le Grand S, Ruangvejvorachai P, Lerdlum S, Thorner PS. Cytokeratin-negative undifferentiated (lymphoepithelial) carcinoma of the lacrimal sac. Ophthalmic Plast Reconstr Surg. 2017;33(1):e16-e18.
• 2016Saonanon P. The new focus on epicanthoplasty for Asian eyelids. Curr Opin Ophthalmol. 2016;27(5):457-464.
• 2016Saonanon P, Thongtong P, Wongwuticomjon T. Differences between single and double eyelid anatomy in Asians using ultrasound biomicroscopy. Asia Pac J Ophthalmol. 2016;5(5):335-338.
• 2016Tirakunwichcha S, et al. Prevalence of dry eye disease in autoimmune thyroid disease and the association of dry eye with clinical signs of thyroid associated ophthalmopathy: observational, noncomparative, cross-sectional study. Asian Biomed. 2016;10(2):133-138.
• 2014Saonanon P. Update on Asian eyelid anatomy and clinical relevance. Curr Opin Ophthalmol. 2014;25(5):436-442.
• 2013Saonanon P, Tirakunwichcha S, Chierakul W. Case report of orbital cellulitis and necrotizing fasciitis from melioidosis. Ophthalmic Plast Reconstr Surg. 2013;29(3):e81-e84.
• 2013Saonanon P. Reply re: “Ocular melioidosis”. Ophthalmic Plast Reconstr Surg. 2013.
• 2011Pariyakanok L, Erjongmanee S, Saonanon P. Indications for corneal transplantation in Thailand between 1996 and 2008. Asian Biomed. 2011;5(6):843-848.
• 2010Kasetsuwan N, Gorvanich S, Saonanon P. Post-operative Endophthalmitis — A Review. Thai J Ophthalmol. 2010;24(2).

Book Chapters

• 2019Saonanon P, Burkat CN. Complications of Asian Upper Blepharoplasty and Their Solutions. In: Cohen AJ, Burkat CN, eds. Oculofacial, Orbital, and Lacrimal Surgery: A Compendium. Cham: Springer; 2019:235-246.
• 2019Saonanon P. Eyelid Malignancies. In: Cohen AJ, Burkat CN, eds. Oculofacial, Orbital, and Lacrimal Surgery: A Compendium. Cham: Springer; 2019:129-140.
• 2017Saonanon P, Whipple KM. Update on Asian Eyelid Anatomy and Peri-ocular Aging Change. In: Farage MA, ed. Textbook of Aging Skin. 2nd ed. Berlin Heidelberg: Springer-Verlag; 2017.

Conference Presentations

• 2017Skin Tightening by Insulated Microneedle Radiofrequency Device Combined with Lower Blepharoplasty: A Randomized Fellow Eye Comparison Study. Poster presentation, ESOPRS 2017, Sweden.
• 2017Sitthanon S, Saonanon P. Use of a compressive conformer in contracted fornix reconstruction: A novel technique. Oral presentation, APAO 2017, Singapore.
• 2016Supachutikul K, Pruksakorn V, Saonanon P. A Comparison of Superior Visual Field Defect in Single Eyelid Population With and Without Compensatory Brow Elevation. Poster presentation, APAO 2016, Taipei, Taiwan.
• 2014Saonanon P, Whipple K, Scawn R, et al. Factors Affecting Surgical Duration in Endoscopic Dacryocystorhinostomy. Poster presentation, WOC 2014, Tokyo, Japan.
• 2014Saonanon P, Whipple K, Scawn R, et al. Long Term Outcome of Orbital Decompression for Thyroid-related Orbitopathy: A Retrospective Study. Oral presentation, AOS 2014, Bangkok, Thailand.
• 2013Saonanon P, Korn BS, Kikkawa DO. Conjunctival Muellerectomy: Is This an Effective Surgery for Blepharoptosis in Asian Eyelids? Oral presentation, ASOPRS Fall Meeting 2013, New Orleans, USA.

• 2023Techniques in Aesthetic and Functional Eyelid Surgery. Bangkok: Pimdee. — details & ordering
• 2015All Eyes on English: Everyday English Conversations by the RCOPT. Bangkok: Focal Image.
• 2014Chula Eye Book. Bangkok: Chulapress.
• 2012The Ophthalmology Book for Medical Student and General Practitioner: Essential Anatomy and Physiology of the Eye. Bangkok: Chulapress.