What Are Cataracts?
Cataracts develop slowly over time, but the more they grow, the more they can obscure your vision, affecting daily tasks like reading, driving, and recognizing faces. Without treatment, cataracts may eventually cause total vision loss.
Cataracts most commonly appear in people who are older than 40, but anyone can get them. Cataracts cause blindness in more than 3.5 million Canadians, but an ophthalmologist can surgically remove them in most cases, restoring vision.
Different Types of Cataracts
There are numerous types of cataracts. Common types include:
- Nuclear: Cataracts forming on the nucleus of the eye’s lens. Nuclear cataracts are generally age-related, but a healthy diet can decrease your risk for them.
- Subcapsular: Cataracts forming on the rear of the lens. Subcapsular cataracts are associated with diabetes and with the use of some steroids.
- Cortical: Cataracts forming on the lens cortex near the central nucleus, which gradually spread towards the centre of the lens from the perimeter.
Warning Signs of Cataracts
The following symptoms may indicate cataracts:
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