Our Mission

We want to help you see clearly and feel healthy for life through patient education and new technologies

To promote eye health

To protect your vision

To care for your individual needs

Our goal is to deliver excellent service and care for all of our patients through:

State of the Art Technology

Comfortable Setting for All Ages

Professional and Knowledgeable Doctors

Helpful and Courteous Staff

Our Staff

Dr. Charlene To grew up in Richmond Hill and attended Richmond Hill High School before earning her Bachelor of Science at the University of Waterloo. She then continued her education at the Illinois College of Optometry where she earned her Doctor of Optometry degree.

Dr. To completed clinical externships at multiple VA Medical Centers in the United States, focusing on diagnosing and treating disease such as cataracts, glaucoma, macular degeneration and diabetic retinopathy. She also worked at various private practices focusing on primary eye care and contact lens fitting for all ages. Dr. To is certified in prescribing diagnostic, topical and oral therapeutic agents.

In her spare time, Dr. To enjoys photography, travelling, cooking and eating! Dr. To is fluent in English and Cantonese. She can converse in Mandarin.

Dr. Cheng received her Bachelor of Science degree and Doctor of Optometry degree from the University of Waterloo with Dean’s Honour in 2016. She completed her primary care externship at the Hong Kong Polytechnic University where she gained experience in performing comprehensive eye exams in Cantonese. Dr. Cheng also received extensive training with OMNI Eye Specialists in Baltimore, where she focused on the diagnosis and management of various ocular diseases, such as cataracts, dry eye syndrome, glaucoma, uveitis, and diabetic retinopathy.  Furthermore, she had the opportunity to participate in a medical mission trip where she provided optometric care in several rural villages in Honduras.

Dr. Cheng believes that quality eye care should be assessable to everyone. She is dedicated to helping patients maintain good visual and ocular health and a healthy lifestyle.  Additionally, Dr. Cheng has a passion working with children to ensure that they have good vision to learn and play.

In her spare time, Dr. Cheng enjoys hiking, travelling and exploring new places with her family and dog Cosmo.

Dr. Cherry Chong

Dr. Chong received her Bachelor of Science and Doctor of Optometry degrees at the University of Waterloo. She is a strong believer in patient-centered healthcare so she always takes the time to communicate with her patients, ensuring that their ocular and systemic health needs are well addressed. She also strives to promote patient education by delivering eye health related seminars to the local community. When she is not at the office, she enjoys going on different food adventures with her friends and family!

Dr. Chong is fluent in English, Cantonese, and Mandarin.

Dr. Tessia Yu received her Bachelor of Medical Science degree from the University of Western Ontario and then received her Doctor of Optometry degree from the University of Waterloo. She completed a clinical externship in Oakville where she gained experience in primary care and in the management of binocular vision conditions. She also received training in Vaughan focusing on diagnosing and managing ocular diseases such as dry eyes, diabetic retinopathy, glaucoma, and macular degeneration.

Outside of the clinic, she enjoys drawing, travelling, and taking walks. 

Dr. Yu is fluent in English and Mandarin.

Prudy is our very friendly front desk receptionist. She strives to provide excellent customer service to everyone.

Prudy is fluent in English, Cantonese and Mandarin.

Her interests include arts and crafts, dining out and playing with her dog.

Our Office

We are located in Richmond Hill, Ontario. We provide eye care for the Richmond Hill neighbourhood and surrounding areas. We have a wide range of ocular health and vision care services. See a list of our services here. Take a look at our office in the photo tour below. Our hours of operation are also outlined on our contact page.