Dr Julian Theng Thiam Siew

Ophthalmologist / Eye Surgeon 
30 years of experience


Cornea Transplant, Cataract Surgery, Implantable Contact Lens Surgery, LASIK, Presbyopia Treatment & Refractive Surgery


MBBS, MMED (Ophth), FRCS (Edinburgh), FRCOphth (London), FAMS

What I do

Dr Julian Theng Thiam Siew provides clinical services such as:
- LASIK & Refractive Surgery
- Corneal Transplant
- Cataract Surgery
- Presbyopia Surgery
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Clinic Locations

Eagle Eye Centre
Mt Alvernia Medical Centre 
Block D #06-57 to 62
820 Thomson Road, S 574623

Eagle Eye Centre
Mount Elizabeth Medical Centre #08-02
3 Mount Elizabeth
Singapore 228510

Eagle Eye Centre
Mount Elizabeth Novena Specialist Centre #08-22/23/24
38 Irawaddy Road
Singapore 329563

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Professional Statement

Dr Theng is the founder, Group Chairman and Medical Director of Eagle Eye Centre. He graduated from the National University of Singapore (NUS) in 1992 with MBBS degree. Obtained post graduate qualifications, MMED (Ophth), FRCS (Edinburgh) and FRCOhpth (London).

As a cornea specialist, Dr Theng is renowned as a high volume surgeon in the areas of LASIK & refractive surgery, cornea transplants, as well as cataract surgery, performing few thousands of such surgeries each year alone. He and EEC were awarded surgeon and centre of excellence in femtosecond LASIK surgery in 2012 by Ziemer, a German company specializing in femtosecond ... See more [ + ]LASER.

With special interest in the field of Presbyopia treatments, Dr Theng is well-regarded for his expertise in performing multifocal Intra-Ocular Lens (IOL) implant surgeries. In 2008, he was selected to be Singapore’s representative surgeon to conduct the Phase 4 Clinical FDA Approval Trial for the new Restor +300ADD Multifocal lens implant and has performed over 1,000 multifocal lens implants in cataract surgery and he has also written a book on Presbyopia. He has also been one of the pioneers of KAMRA inlay surgeries through Femtosecond Laser assisted pocket technique in 2013 and is also the 1st surgeon in Asia to perform Raindrop inlay surgeries for Presbyopia in 2013.

A sought-after speaker who has spoken at global conferences, such as the World Ophthalmology Congress and many more, Dr Theng travelled the world to lecture and teach on LASIK, cataract and presbyopia treatments, he is also a member of Editorial Board for the Journal of Cataract & Refractive Surgery Today (CRST) Europe.

He represents Asia as a key opinion leader in the field of Cataract and refractive surgery for Alcon, AMO and Ziemer.

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Languages Spoken

English, Hokkien, Cantonese, Mandarin


National University of Singapore, Faculty of Medicine

Awards and Publications

DrJulian Theng Thiam Siew  has participated in many global conferences, such as the World Ophthalmology Congress, as an invited speaker.   He has travelled to many countries to lecture and teach on LASIK, cataract and presbyopia treatments. 

Professional Positions and Memberships

Former Consultant, Singapore National Eye Centre
Singapore’s Representative, Phase 4 Clinical FDA Approval Trial on multifocal lens implant
Asia’s Representative to implant the first pair of Acrysof Phakic IOL Lens in Singapore
See more [ + ] Member, Editorial Board for Journal of Cataract & Refractive Surgery Today (CRST) Europe
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Accredited Hospitals

Mount Alvernia Hospital
Mount Elizabeth Hospital
Mount Elizabeth Novena Hospital
See more [ + ] Parkway East Hospital
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Insurances Accepted