Uniqueness of a Cat's Eyes

It has been said that eyes are the window to thecataracts and glaucoma. If not treated, high
soul. When gazing into the eyes of a cat, you getveterinarian expenses and even blindness can occur.
the feeling that the statement is very real. But thereA cat has an inner, third eyelid called a nictating
is more to a cat's eyes. A cat's eyes have somemembrane to protect the cat from dryness and/or
unique features that are different than humans. Thedamage. A cat does not have to blink it's eyes like
best known is a cat's ability to see at night.humans to lubricate them. If the third eyelid is partially
The eyes face forward on a cat improving theirclosed and a cat is not sleeping, this may indicate a
depth perception but limit their field of view. The catcat is sick.
has a vision of 20/100 enabling it to see far away butA cat has much better night vision than a human.
not up close. A cat's central vision is not as sharp asAlthough the cat cannot see in total darkness, the
a humans because of the eye's construction. A catcat only needs one-sixth of the illumination required
cannot see directly below its' nose. A cat can seeby a human. The muscles of the iris narrow the eye
colors and distinguish between the colors especiallyto a slit in bright light and fully open in dim light. A
the blues and violets. A cat's ability to see colors isreflective layer behind the cat's retina called the
limited as compared to humans.tapeturn reflects the incoming light and bounces it
The color of a cat's eyes varies but orange, greenback amplifying the light. In daylight, this amplification
and golden are the most common. Blue eyes areis too strong. A cat's eyes will narrow to a slit-like
associated with Siamese cats. There is acondition to minimize the light to improve it's ability to
misconception that all white cats with blue eyes aresee in the daytime.
deaf. A white cat with one blue eye and one ofA cat will express it's mood with it's eyes. An angry
another color has a higher risk of deafness on thecat will have narrowed pupils. An excited or
blue eye side.frightened cat's eyes will be wide open. A happy cat's
The pupils of the eyes should be the same size. Theeyes may appear a shade darker. A cat will kiss with
pupils of a cat's eyes are vertical and much largerit's eyes by gazing at you and then blinking it's eyes.
than a human. If the size of the pupils differ, this canThe uniqueness of a cat's eye has long been
be an indication of possible harmful conditions:recognized by many people. Many rare gems have
inflammation of the eye (conjunctivitis), Horner'sbeen referred to as a cat's eye. Even in the game of
syndrome, FeLV, tumors and central nervous systemmarbles, it was something special to have a marble
injury. A cat can have other conditions includingthat resembled a cat's eye.