About
Our Practice in London Ontario

Dr. McCann earned his two Bachelor of Science degrees (both with honours) at Western University in London, Ontario, before going on to earn his Bachelor of Vision Science, accelerated MBA, and Doctor of Optometry degrees at the Nova Southeastern University (NSU) of Optometry in Fort Lauderdale, Florida.

During his time at NSU, Dr. McCann was president of the student government and was awarded the Student of the Year award. He also maintained full honour roll status and earned the Dan & Hoffman Award for clinical excellence, as well as an award recognizing his skill in contact lens management.

While in Florida, Dr. McCann completed several clinical internships at Eyes Centers of South Florida in Miami and Aker Kasten Eye Center in Boca Raton. He also completed clinical rotations that focused on contact lenses, primary care, and pediatric optometry at NSU.

Dr. McCann owns eight practices in the London and surrounding area and is a professional consultant for Johnson  & Johnson Visioncare. He has been on the faculty at the Canadian Dry Eye Summit numerous times and lectured at hundreds of events/conferences and across various platforms on contact lenses, ocular disease, dry eye disease, pharmaceuticals, and medical equipment. He is a KOL, consultant and/or speaks for companies such as Johnson & Johnson, Bausch & Lomb pharmaceutical division, Labtician, Thea, Oculus, Clarion, Zeiss, and Sun Pharma. He has enjoyed teaching clinical externs from the Waterloo School of Optometry in the past, has served on the Board of Directors for the Ontario Association of Optometrists in 2016-2018, and is currently on the Board of Directors for Eye Recommend. He has been published in numerous journals including Review of Optometry and Review of Myopia Management.

For the 2016/2017 year, Dr. McCann also served on the board of directors for the Ontario Association of Optometrists, and is currently serving on the board of directors for Eye Recommend, a national cooperative and a growing network of independent optometrists dedicated to personalized and comprehensive eye care.

While he misses the sunny Florida weather, Dr. McCann is pleased to be practicing in his hometown of London, Ontario.

Dr. Sangster earned her Bachelor of Health Sciences degree at McMaster University in Hamilton, Ontario, before going on to earn her Doctor of Optometry degree (with honours) from the University of Waterloo School of Optometry and Vision Science in 2010. During her time at university, Dr. Sangster was awarded the Eschenbach Low Vision Award and completed clinical internships in Lexington, Kentucky, as well as her hometown of Brantford, Ontario.

Dr. Sangster enjoys working with patients of all ages, but she has particular interest in myopia control, dry eye management, specialty contact lenses, and ocular disease. When she isn’t at Central Optometry, Dr. Sangster enjoys watching, playing, and breathing curling, watching Sunday Night Baseball with her husband, travelling, and working in her garden. She looks forward to providing quality comprehensive eye care for you and your family.

Dr. Francis earned her Bachelor of Science degree at the University of Waterloo before going on to earn her Doctor of Optometry degree at the Illinois College of Optometry (ICO) in Chicago, Illinois. She graduated from optometry school with honours as the president of the Gold Key Honours Society and has received numerous awards recognizing her contributions to ICO, the community, and the field of optometry. After graduation, she completed a residency in Ocular Disease and Primary Care in Chicago.

Throughout Dr. Francis’ time at ICO, she completed externships in Florida and Michigan, focusing on ocular disease, primary care, and contact lenses. She also completed rotations at ICO with additional emphasis on specialty contact lenses and pediatrics. She has written works published through the Heart of America and American Academy of Optometry conferences and is committed to expanding her knowledge in the field, as evidenced by her distinction of FAAO (Fellowship of the American Academy of Optometry).

Dr. Francis enjoys working with patients of all ages and has a strong passion for optometry, with a particular interest in ocular disease, dry eye, contact lenses, and myopia control. When not taking care of her patients, Dr. Francis enjoys travelling, exploring new restaurants and foods, staying active, and spending time with family and friends. She is thrilled to be in the London region and looks forward to providing quality eye care for you and your family.

Dr. Tazeen Ahmed was born in Toronto, Ontario and moved to Windsor, Ontario, at a young age, where she grew up. She earned her undergraduate degree from the University of Windsor and graduated with an Honours Bachelor of Arts and Science with concentrations in Biology and Spanish, with distinction. She then went on to obtain her Doctor of Optometry degree at the University of Waterloo, where she graduated with distinction. 

She completed her clinical training in Alberta, rural Manitoba, and the University of Waterloo, where she gained experience with treating and managing ocular diseases such as dry eye disease, glaucoma, age-related macular degeneration, diabetic retinopathy, and keratoconus. Dr. Ahmed is passionate about providing full-scope, comprehensive eye care to patients of all ages and has a special interest in myopia control, dry eye management and specialty contact lens fittings. 

When not in the clinic, Dr. Ahmed enjoys travelling, trying different cuisines, staying active, and spending time with friends and family. Dr. Ahmed is committed to providing quality eye care and is very excited to be serving the London community!

Dr. Traczuk has been practicing optometry for over 40 years. He first earned his Bachelor of Science degree from Western University in 1973 before earning his Doctor of Optometry from the University of Waterloo School of Optometry in 1977. During his final year at university, Dr. Traczuk was awarded the Vodnoy Award for Clinical Excellence.

Dr. Traczuk has practiced in both Strathroy and London and first established Central Optometry in 1995. He speaks fluent Polish. He retired in 2021.