It is normal for kittens’ eyes to change color. Cats are born with blue-grey eyes. When the cat grows up, the blue film on the eyes will slowly fade away. Adult cats’ eyes will not suddenly change color, only disease and Injury can cause eye discoloration in adult cats.

Causes of discoloration of kittens’ eyes

Kittens are born with blue-gray eyes. When the cat grows up, the blue film covering the eyes will slowly fade away, and the eyes will return to the color of the breed. The color of a cat's eyes is determined by the eyeball's reflection of light and the content of melanin in the iris.

At what age does a cat’s eyes change color?

When kittens are about six to seven weeks old, the blue membrane will fade and gradually take shape. However, the eye color is not fixed until three or four months old. Disease and injury can cause eye color to change throughout a cat's life.

Adult cat eyes change color

Adult cats’ eyes will no longer suddenly change color. If you find that your cat’s eyes have changed color, it is most likely because the cat is suffering from uveal inflammation. Although uveitis itself is not fatal, this condition often indicates a more serious illness in cats, such as glaucoma, eye trauma, or even cancer. It is best to take the cat to the hospital for examination as soon as possible and receive treatment as soon as possible.