There are some common health conditions that an eye exam can detect, including diabetes, rheumatoid arthritis, high blood pressure, high cholesterol, a brain tumour and certain types of cancer.

There is a link between your eye health and your diet. Vitamins C and E are powerful antioxidants that may protect your eyes against damaging free radicals. Foods rich in vitamins C and E include citrus fruits, green leafy vegetables, nuts and seeds.

Exercise promotes healthy blood vessels in the eye. This may prevent an overgrowth of blood vessels and protect against conditions such as age-related macular degeneration and diabetic retinopathy.

Research shows that vision loss can double your risk of experiencing depression. As people struggle with losing sight and completing everyday tasks, they may feel isolated, depressed and anxious.

The Canadian Association of Optometrists recommend adults aged 20-39 get an eye exam every 2-3 years. Adults aged 40-64 should have an eye exam every two years, and people over 65 each year. Children should have their first exam between six and nine months.