A cataract is a clouding of the normally clear lens of the eye. It can be compared to a window that is frosted or yellow.
There are many misconceptions about cataract.
Cataract is not:
- a film over the eye
- caused by overusing the eyes
- spread from one to the other
- a cause of irreversible blindness
Common symptoms of cataract include:
- a painless blurring vision
- glare or light sensitivity
- poor night vision
- double vision in one eye
- needing brighter light to read
- fading or yellowing of colors
The amount and pattern of cloudiness within the lens can vary. If the cloudiness is not near the center of the lens, you may be aware that a cataract is present.
What causes cataract?
The most common type of cataract is related to aging of the eye. Causes of cataract include: