Cats Eyes Dilated Dying. Dilated pupils can signify serious infection, head or brain trauma or tumor, poisoning, or disease and will need diagnostic tests to determine the cause. Pain also can be indicated either by a constricting or dilating of your cat's pupils.
Senior cats often start to lose sight, especially purebred cats. We cannot get him into a cage to get to the vet. The conjunctiva is a thin membrane that lines the inner surface of a cat's eyelids and the outer surface of the eyeball.
Sometimes dilated pupils can be a signal that something's not quite right.
It takes active muscle control to close the eyes. The cat is attempting to absorb as much light as possible to aid vision. Sometimes dilated pupils can be a signal that something's not quite right. In certain situations this difference may be habitual, however, when the condition becomes permanent, it is not normal and we must act.