Cat Eyesight Test. In order for the test to be performed correctly, allow the following distance between subject and screen: Veterinary ophthalmologist testing the plrs of a cat, with the help of a veterinary.

In fact, if you could give a cat an eye exam, the smallest letters it would see on an eye chart would be the 20/100 line, according to livescience.com. Cats are crepuscular, meaning they are active at dawn and dusk, and their eyesight reflects that. Cats have an area of the retina called the tapetum lucidum 4.