cataract is a cloudy area in the lens of eye.
It reduces vision, brightness of colors and disrupts the quality of life. other symptom of cataract are poor night vision, double vision, Increased nearsightedness and increasing the need to change eyeglass prescriptions.
Cataracts cannot spread from one eye to another but Many people get cataracts in both eyes.
There are many types of cataracts:
- Age-related cataracts
- Congenital cataracts
- Secondary cataracts
- Traumatic cataracts
Smoking, diabetes, sun light and steroid are risk factors of cataract formation.
surgery is the only effective treatment in severe cases of cataract.