Elderly woman smiling sitting while sitting down.

Eye Diseases

Sight loss can be caused by eye problems present from birth, conditions that appear later in life, infections, or environmental factors. Learn more about the main causes of sight loss in children and adults 

A young boy and his mother, both wearing glasses, interact as the little boy plays with a magnifier.


Retinoblastoma, while rare, is the most common form of cancer affecting the eye in children. Learn more about retinoblastoma.
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Retinitis Pigmentosa

Retinitis pigmentosa (RP) refers to a group of diseases which tend to run in families and cause slow, but progressive loss of vision. Learn more about RP.
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Cataracts are the most common correctible cause of vision loss among Canadians. Learn more about cataracts.
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Glaucoma is the second most common cause of sight loss in seniors in Canada. Learn more about glaucoma.
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Diabetic Retinopathy

Diabetic retinopathy, an eye condition caused by diabetes, is the leading cause of blindness in Canadians under 50. Learn more about diabetic retinopathy.