Dr Julian Theng Thiam Siew

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 FRCOphth (London).

As a cornea specialist, Dr Theng has since developed his surgical skills leaning towards the areas of LASIK & Refractive Surgery, Cornea Transplants, as well as Cataract Surgery while maintaining his special interest in the field of Presbyopia management and treatment. Being a high-volume cataract surgeon, Dr Theng was selected to represent to conduct the Phase 4 Clinical FDA approval trial for the Restor +300ADD Multifocal Lens Implants. Dr Theng has since regularly performed multifocal lens implants in cataract surgery, and even wrote a book about Presbyopia. He also continues to bring in different cataract management techniques in Asia.

A sought-after speaker who has spoken at global conferences, such as the World Ophthalmology Congress and others, 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 and represents Asia as an advisor in the field of Cataract and refractive surgery for Alcon, AMO and Ziemer.


Accolades and Achievements

  • Author of “A Long Sighted Look at Presbyopia (Lau Hua Yan) Facts, Fiction and Hope”, a charity initiative to benefit Straits Times Pocket Money Fund
  • One of the only two surgeons in Singapore involved in the FIRST “tooth-in-eye” surgery and successfully restoring sight to a blind teenager
  • Surgeon for Singapore to to conduct Phase 4 Clinical Trials on the Designed Multifocal Lens Implant


Despite his busy schedule, Dr. Theng remains a devoted Christian. He is also a loving husband and father to his family. He believes in a balanced lifestyle and has varied hobbies and interests, sports being one of his great passions. He has represented his schools (Anglo-Chinese Junior School and Anglo-Chinese School, and the National Junior College) in athletics, table-tennis and tennis. He captained the NUS tennis team for three years and was once part of the Singapore National Tennis Team. Today, he still plays tennis competitively.


Dr Theng’s other passion is his love for music and singing – he performs frequently at weddings, hospital functions and many other events. He has also participated in many commercial as well as church drama-musical productions. He has also served as a deacon in Prinsep Street Presbyterian Church. Some of Dr Theng’s other hobbies are fishing, painting (both oil and acrylic), cooking and DIY activities around the house.

Press Coverage

Locate us

Mt Alvernia

820 Thomson Road,
Mount Alvernia Hospital,
Medical Centre D, #06-57/58/59/60/61/62
Singapore 574623

Fax: (65) 6456 1006
Mt Elizabeth Orchard

Mount Elizabeth Medical Centre,
3 Mount Elizabeth #08-08,
Singapore 228510

Fax: (65) 6836 0002
Parkway East

Parkway East Medical Centre,
319 Joo Chiat Place,
#05-03 Singapore 427989

Fax: (65) 6348-1001
Mt Elizabeth Novena

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

Fax: (65) 6570 1001

Westgate Mall,
3 Gateway Drive,
#02-42A Singapore 608532

Fax: (65) 6250-6066
Royal Square at Novena

Royal Square Novena Medical Centre at Royal Square at Novena,
101 Irrawaddy Road,
#11-07 to 13 Singapore 329565

Fax: (65) 6456-1002
King Albert Park

KAP Residences Mall,
9 King Albert Park,
#01-42/43/44 Singapore 598332

Fax: (65) 6475-1880
HMI Medical Centre

12 Farrer Park Station Road,
StarMed Specialist Centre, Singapore 217565