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Dr. Mark Cohen,


  • Over 60,000 LASIK procedures performed

Professional Background

Dr. Mark Cohen co-founded LASIK MD along with Dr. Avi Wallerstein.  He is the president of LASIK MD, and one of its two national medical directors. As a cornea and laser vision correction specialist, Dr. Cohen is responsible for teaching laser eye surgery to ophthalmology residents from the University of Sherbrooke, University of Montreal and McGill University. He also teaches the basic science of corneal imaging to all first year Canadian ophthalmology residents at an annual course offered at the University of Toronto.

Educational Background

Dr. Cohen completed his medical degree and specialization in ophthalmology at the internationally renowned McGill University. While at McGill, he was awarded the prestigious Holmes’ gold medal, given to the graduate of the faculty of medicine with the highest academic standing upon completion of four years of medical school. He then completed his training with a post-doctoral fellowship in corneal transplantation and refractive surgery

Refractive Experience

Dr. Cohen is a world-renowned refractive surgeon. He has performed over 60,000 procedures and has trained more than 200 Canadian ophthalmologists. He holds the distinction of being the youngest surgeon in North America to perform LASIK surgery. A pioneer in the field, he was one of the first surgeons in North America to use a scanning-spot laser and large flap microkeratome, both standard technologies today.

Dr. Cohen is well-versed in the Corneal Collagen Cross-Linking (CXL) procedure for keratoconus patients. He is also an expert in topography-guided laser treatments and teaches this procedure internationally for Alcon Wavelight. Because of his extensive experience with topography-guided ablations for complex corneal cases, Dr. Cohen’s expertise is renowned. Since 2009, his colleagues from all over North America have referred their patients to him for such treatments.

Accomplishments and Awards

Dr. Cohen is a certified C-LASIK instructor, one of 14 surgeons in North America with this designation to teach LASIK. He has given several international courses on beginner and advanced LASIK techniques. He is co-author of the governmental Council for the Evaluation of Health Care Technology's report on LASIK and PRK.

In 2007, Dr. Cohen was named Quebec’s Young Professional of the Year, by the Chamber of Commerce of Quebec. He (along with Dr. Avi Wallerstein) was awarded the Ernst & Young 2008 Entrepreneur of the Year Award in the professional/financial services category for Quebec. Also in 2008, Dr. Cohen was named one of Canada’s ‘Top 40 Under 40’, in a national competition sponsored by the Globe and Mail.  This award is given annually across Canada to 40 individuals who have demonstrated “vision, innovation, achievement and community involvement under the age of 40”.

Associations and Professional Memberships

  • Royal College of Surgeons of Canada
  • Canadian Ophthalmology Society
  • American Academy of Ophthalmology
  • International Society of Refractive Surgery
  • American, Canadian and European Societies of Cataract and Refractive Surgery


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