Cat Eye Anatomy

The eyes allow cats to have a sense of sight. Cat eye anatomy is made up several parts. The main structures include the orbit (which is the bone cavity that the eyeball is in), the eyelids (including a third eyelid), the conjunctiva (thin tissue that lines the eyelid), the eyeball it self, the inside of the eyeball, and lacrimal system (tear glands and tear ducts). There is a lot to cat eye anatomy! The function to the eye is to allow the cat to have vision. Cats can get many different types of eye diseases and there are many different tests that can be done to determine the underlying eye disorder.

The eye is a complex and delicate organ. It has many functional parts that all work together to make sight possible. Though many of the parts are the same in different species, animals have developed certain adaptations that best suit their needs.

It's a myth that cats can see in complete darkness.  The part of the feline's retina called the "tapetum lucidum," acts like a reflector in the eye and bounces light to the back of the retina, thus the appearance of "glowing" eyes which a cat exhibits at night when their eyes are struck with a beam of light, such as car headlights.

Even though cats cannot see in complete darkness, they can see quite well in extremely dim conditions, thus being deemed nocturnal creatures.  In low light, cats' eyes are able to function in approximately one-sixth of the light needed for human vision. This ability, however, comes at the expense of their daytime vision.

This page gives you information about cats eye, parts, names and anatomy.

Description :

1. Upper eyelid
2. Third eyelide,  nictitan membran
3. Lower eyelid
4. Sclera : white part of eye ball
5. Pupil : contracts depend of light intesity
6. Iris : where eye pigmen resides, define the color of the eye.