Unlike humans, domesticated cats have slit pupils that run vertically from the top of their eye to the bottom, sitting in the center. Those slits can sometimes appear larger or smaller depending ...

This cat's right eye is what is considered normal to see when looking at a cat, a pupil that is vertically slit. In comparison, the left pupil is smaller and misshapen, a D-shape rather than a ...

The shape of a cat's eye, or rather its pupil, is down to the way the animals spend their day, according to a 2015 study published in Science Advances.

Cat eyes are so unique — their irises have a range of beautiful colors, and their pupils are shaped as a long narrow slit. In the dark, cat eyes are impressively reflective. When cat eyes are ...

Cats are known for their amazing vision in both bright light and darkness. Their eyes are uniquely adapted: during the day, vertical slit-shaped pupils help them focus and reduce glare.

More: We know why cats knead.But here's why humans love it so much. If the cat’s pupils dilate or become the pinprick size, it likely means that they are perceiving a threat and are preparing to ...

A cat’s cornea, the dome-shaped surface that covers the front of the eye, can become inflamed, injured, or ulcerated. The result may be cloudiness, lots of blinking and/or squinting ...

Nigbur-Mays adds that happy and relaxed cats also usually hold their ears and whiskers in a neutral position, and their eyes are generally almond-shaped, with thinner, sliver-shaped pupils.