David O'Brart

Consultant ophthalmic (eye) surgeon and professor of corneal science


David O'Brart has been a consultant ophthalmic (eye) surgeon at Guy's and St Thomas' NHS Foundation Trust 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 is now the director of refractive, cornea and anterior segment surgery.

He was appointed as an honorary professor of corneal science at King's College London in 2015.

David is the immediate past President and treasurer of the United Kingdom and Ireland Society of Cataract and Refractive Surgeons.

He is a past council member and secretary of the British Society of Refractive Surgeons.

He is 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.

Education and training

  • Eye surgical training, Guy's and St Thomas', and Addenbrooke's Hospital, Cambridge University Hospitals
  • Fellowship in advanced glaucoma techniques, Shiley Eye Institute, California, United States of America
  • MD in excimer laser refractive and corneal surgery, University of London
  • Training in corneal and small-incision cataract surgery
  • Eye surgeon qualification, 1990

Research interests

  • Cornea
  • External eye disease
  • Laser refractive surgery
  • Glaucoma laser surgery
  • Cataract surgery


  • Bronze award, Advisory Committee on Clinical Excellence Awards


David has co-written 3 books on corneal topography, refractive and corneal surgery. He has contributed numerous chapters to international ophthalmic text books and has over 100 scientific publications in peer-reviewed ophthalmic journals.

Last updated: March 2023

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