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Dr Gangadhara Sundar

Photo of Dr Gangadhara Sundar
  • Senior Consultant, Department of Ophthalmology, National University Hospital
  • Head, Orbit & Oculofacial SurgeryAdjunct Faculty, Department of Paediatrics, National University Hospital
  • Assistant Professor, Department of Ophthalmology, National University of Singapore
  • Vice President, Singapore Society of Ophthalmic Plastic & Reconstructive Surgery (SSOPRS)
  • Chair, Scientific Committee, Asia Pacific Ophthalmic Trauma Society (APOTS)
DO, FRCSEd, FAMS, Diplomate, The American Board of Ophthalmology
Ophthalmology (Eye)
Cataract, General Ophthalmology
Special Interests:
​Ophthalmic Oncology


Dr Ganga obtained his degrees from Madras Medical College, Chennai, India and advanced subspecialty training from the Henry Ford Hospital, Detroit, USA. He specialises in the diseases and surgery of the Eyelids, Lacrimal system, Orbit & Oculofacial diseases. Committed to clinical and surgical excellence, he is a regional and international expert in disorders such as orbital trauma, ophthalmic oncology, congenital and acquired eyelid disorders, lacrimal system disorders, anophthalmic sockets, thyroid eye disease, facial palsy and esthetic orbito-facial rejuvenation. Some special interests include minimally invasive surgery (eg. endoluminal duct recanalization(ELDR)), complex orbital trauma reconstructions (navigation surgery, bioresorbable implants and customized implants), medical and surgical rehabilitation of thyroid eye disease, and vascular lesions of the orbit. He was instrumental in starting various multidisciplinary services including the NUH Retinoblastoma service (with pediatric oncologists, neuro-interventional radiologists and pathologists), NUH Thyroid Eye Disease service (with Endocrinologists & immunologists) and the NUH Lacrimal service (with Rhinologists). He has trained Fellows from Singapore, Malaysia, Myanmar, Philippines, India, Thailand, Iran, Syria, the United Kingdom and Nepal each of whom he is proud of. He travels widely as a regional and international faculty at various orbital and craniomaxillofacial conferences, symposia and courses raising the level of care of orbital and orbitofacial disorder and has contributed chapters to several textbooks in his field. He serves in several leadership capacities in various national, regional and international professional societies.  In addition to several scientific peer reviewed publications he has authored a book on 'Orbital Fractures – Principles, Concepts & Management' and co-authored a book on 'Ocular Adnexal Lesions – A clinical, pathological and radiologic correlation'.

Journals & Publications


Selected Publications
1.      Sundar G. Vascular lesions of the orbit: Conceptual approach and recent advances. Indian J Ophthalmol. 2018 Jan; 66(1):3-6. doi: 10.4103/ijo.IJO_1272_17. PubMed PMID: 29283114 – Invited Editorial.
2.      Young SM, Sundar G, Lim TC, Lang SS, Thomas G, Amrith S. Use of bioresorbable implants for orbital fracture reconstruction. Br J Ophthalmol. 2017 Aug; 101(8):1080-1085. doi: 10.1136/bjophthalmol-2016-309330. Epub 2016 Dec 2.
3.      Tan NYQ, Leong YY, Lang SS, Htoon ZM, Young SM, Sundar G. Radiologic Parameters of Orbital Bone Remodeling in Thyroid Eye Disease. Invest Ophthalmol Vis Sci. 2017 May 1; 58(5):2527-2533.
4.      Lim NC, Sundar G, Amrith S, Lee KO. Thyroid eye disease: a Southeast Asian experience. Br J Ophthalmol. 2014 Oct 31. pii: bjophthalmol-2014-305649. doi: 10.1136/bjophthalmol-2014-305649.
5.      Cai EZ, Koh YP, Hing EC, Low JR, Shen JY, Wong HC, Sundar G, Lim TC. Computer-assisted navigational surgery improves outcomes in orbital reconstructive surgery. J Craniofac Surg. 2012 Sep;23(5):1567-73.
6.      Epiblepharon in East Asian Patients. The Singapore Experience. Sundar G, Young SM, Tara S, Tan AM, Amrith S. Ophthalmology. 2010 Jan; 117(1):184-9.
7.      Browlift – A South East Asian experience. Almousa R, Amrith S, Sundar G. Orbit 2009; 28(6):347-353.


Appt Tel:
+65 6777 7161