About Dr. Sherif El-Defrawy

Sherif El-Defrawy MD, PhD (Pharmacology), FRCSC

Dr. El-Defrawy is a Professor and Head of the Department of Ophthalmology at Queen’s University, and is the past President of the Canadian Ophthalmology Society.  A member of several professional societies, including the American Academy of Ophthalmology, and the American Society of Cataract and Refractive Society, Dr. El-Defrawy serves on many important provincial and national committees, including chairing the Canadian Task Force on Ophthalmic Personnel, chairing the CNIB-Baker National Research Committee and sitting on the Ontario Eye Health Council and the Ontario Ophthalmology Society Executive.  

Dr. El-Defrawy is the secretary of the Association of Canadian University Professors of Ophthalmology, and has received many teaching awards, including the Professional Association of Interns and Residents of Ontario’s (PAIRO) Excellence in Clinical Teaching Award, and several grants for research in eye disease.


Pre-Medical Education:  BSc Queen's(1982), PhD Queen's (1987)
Medical School: University of Calgary (1989)
Ophthalmology Residency:   University of Ottawa (1993) 


Professional Association of Interns and Residents of Ontario Excellence in Clinical Teaching Award  2004
The Resident Teaching Merit Award For Surgical Teaching 2002
The Resident Teaching Merit Award For Surgical Teaching 1998
Nat Christi Medical Scholarship 1986-1989
Canadian Geriatrics Research Society Scholarship 1983-1986
Eldon Boyd Scholarship 1983


Research Interests: Ophthalmic pharmacology, cataract surgery

Selected Publications:

Effect of prophylactic NSAID drops on cystoid macular edema after cataract surgery using optical coherence tomography.  Journal Cataract Refractive Surgery. in press
Acanthamoeba Keratitis: Persistent Organisms Without Inflammation After One Year of Topical Chlorhexidine. Cornea, in press
Proposed pathogenesis for the delayed postoperative opacification of the hydroview hydrogel intraocular lens.  Am J Ophthalmol. 2003 May;135(5):591-8
Prevalence of factor V Leiden and activated protein C resistance in central retinal vein occlusion. Retina. 2001;21(2):161-6.
Evaluation of a hand-held autorefractor in children younger than 6. J Pediatr Ophthalmol Strabismus. 1998 Mar-Apr;35(2):107-9.
Ocular allergic disease. Drugs Today (Barc). 1998 Nov;34(11):957-71.
Nitric oxide: a unique biologic mediator. Can J Ophthalmol. 1997 Feb;32(1):12-6.

Dr. Sherif El-Defrawy
Johnson 6, Hotel Dieu Hospital,
166 Brock Street at Montreal Street.

Office hours (Mon-Fri):
8:00AM to 5:00PM.

(613) 544-3400, ext. 2225