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What causes cataracts in cats

Cataracts are usually caused by a degeneration of the lens, which is the clear part of the eye that focuses light and images. The build-up of cataracts is thought to be due to changes in the structure of the lens.

The lens is part of the eye's focusing system and is located between the cornea (the clear surface at the front of the eye) and the iris (the coloured part of the eye).

The lens is made up of a protein called aqueous, which is the main part of the lens, and a protein called anhydrous lens, which is the part that actually focuses light and images.

The aqueous part of the lens consists of water and protein. The anhydrous lens consists of protein and a carbohydrate called choline.

When the lens ages, it starts to change to the anhydrous lens, which is a more transparent lens. This means that light cannot focus properly, so images are not clear.

What are the signs of cataracts?

There are several signs that may point to cataracts in cats.

Some of these signs include:

diminished vision

strained or painless eye movements

eye floaters (see below)

eye injury or trauma

soreness, redness or itching around the eye

eye discharge

eye pain (usually dull, achy or throbbing)

loss of vision

How advanced is the cataract?

Cataracts are graded on a scale from very mild to very severe.

Very mild cataracts are just a cloudy appearance of the lens. They will often only affect one eye. Very mild cataracts do not affect vision.

are just a cloudy appearance of the lens. They will often only affect one eye. Very mild cataracts do not affect vision. Mild cataracts are cataracts that cause some cloudiness of the lens and may make it difficult to see clearly.

are cataracts that cause some cloudiness of the lens and may make it difficult to see clearly. Moderate cataracts are cataracts that affect both of a cat's eyes. These cataracts may be partly cloudy or cloudy and affect vision to some degree.

are cataracts that affect both of a cat's eyes. These cataracts may be partly cloudy or cloudy and affect vision to some degree. Severe cataracts are cataracts that make it difficult or impossible to see clearly.

are cataracts that make it difficult or impossible to see clearly. Very severe cataracts are cataracts that make it difficult or impossible to see clearly.

are cataracts that make it difficult or impossible to see clearly.

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