David O'Brart


Consultant ophthalmic (eye) surgeon and professor of corneal science


David O'Brart has been a consultant ophthalmic surgeon in private practice and at Guy's and St Thomas' NHS Foundation Trust in London since 1996.

David was the director of glaucoma and corneal laser and refractive surgery in the ophthalmology department at Guy's and St Thomas' from 1996 to 2006 and has now moved to become the director of refractive, cornea and anterior segment surgery. He was appointed as an honorary professor of corneal science at King’s College, University of London in 2015.

Following his qualification as an ophthalmic surgeon in 1990, he trained in corneal and small-incision cataract surgery. He spent two years at the United Medical and Dental Schools, University of London, investigating the role of excimer laser refractive and corneal surgery. This research led to the completion of a doctorate in medicine. 

After completing his ophthalmic surgical training at St Thomas' Hospital, London and Addenbrooke's Hospital, Cambridge, he undertook a fellowship with Professor Weinreb at the internationally renowned Shiley Eye centre in San Diego, California, where he studied advanced techniques in glaucoma.

David is the immediate past President and treasurer of the United Kingdom and Ireland Society of Cataract and Refractive Surgeons, a past council member and secretary of the British Society of Refractive Surgeons and past-president and secretary of the Southern Ophthalmological Society. He is a co-opted board member of the European Society of Cataract and Refractive Surgeons.

David has organised and chaired over fifty symposia on refractive, corneal and cataract surgery and glaucoma at national and international meetings. He was a founding member of the microsurgical skills committee and is an examiner and specialist advisor to the National Institute for Clinical Excellence and the Medical Health Research Authority for the Royal College of Ophthalmologists.

He continues to take an active interest in research in the fields of refractive surgery, cornea and external eye disease, cataract surgery and glaucoma and has an international reputation in the field of corneal, cataract and refractive surgery.

Education and training

  • Guy's Hospital
  • University of London.

Research interests

  • Cornea
  • Laser refractive surgery
  • Keratoconus
  • Glaucoma laser surgery


  • Bronze award (ACCEA)


David has co-authored three books on corneal topography, refractive and corneal surgery. He has contributed numerous chapters to international ophthalmic text books and has over one hundred scientific publications in peer-reviewed ophthalmic journals.

Last updated: April 2022

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