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Professor K. Sheng Lim

Professor K. Sheng Lim


Consultant ophthalmic surgeon

Professor K. Sheng Lim is a consultant ophthalmic surgeon at St Thomas’ Hospital and Professor of Ophthalmology (Glaucoma Studies) at King’s College London.

Professor Lim is currently the glaucoma service’s clinical lead, the ophthalmology departmental lead for research and the director of KCL Frost Eye Research Department at St Thomas’.

His clinical interests are in the treatment of glaucoma as well as high-volume small incision cataract surgery. His service currently receives regular tertiary referrals from other hospitals from south east England and beyond.

Professor Lim is known internationally as an expert in glaucoma treatments and has delivered over 100 invited lectures internationally in the last 10 years.

Special interests

Professor Lim supervises a large research team and is currently conducting numerous clinical trials into pathogenesis and various new treatment options for glaucoma.


Professor Lim’s clinical expertise includes innovative glaucoma surgeries such as SLT laser, laser iridotomy, laser iridoplasty, cataract surgery, trabeculectomy, Baerveldt tube, PGI implant, Ahmed valve, Microshunt (PreserFlo) implant, iStent, Hydrus implant, endoscopic cyclophotocoagulation (ECP) and HiFU.

Professor Lim also performs high volume cataract surgeries in the NHS as well as the private sector and offers premium intraocular lens options such as toric or multifocal lenses.


Professor Lim qualified from University of Leicester Medical School in 1991 and obtained his doctorate degree (MD research) from University College London in 2001. Most of his general ophthalmology training was at Moorfields Eye Hospital, Western Eye Hospital and Royal Free Hospital in London during his residency program. In 1997, Professor Lim spent more than two years at the Institute of Ophthalmology, Moorfields Eye Hospital and University of Brighton researching the surgical treatment of glaucoma towards his doctorate degree.

He subsequently received two year fellowship training in glaucoma training at Moorfields Eye Hospital.

In 2001, he was awarded a scholarship from the International Glaucoma Association to undergo further specialist research and clinical training for one year in glaucoma at the Mayo Clinic in Minnesota, USA.

Membership of professional bodies

  • Fellow of the Royal College of Ophthalmologists (UK) since 1996
  • Member of numerous national and international ophthalmological associations