What are the eyes of cats called? - briefly
Eyes of cats are commonly referred to as "eyes" or more specifically, "feline eyes." This term encompasses the unique visual structures that cats possess, which are adapted for low-light conditions and keen night vision.
What are the eyes of cats called? - in detail
The eyes of cats are referred to as "eyes" in general terminology, but within the realm of veterinary medicine and feline biology, they are subject to specific anatomical and functional descriptions. Cats possess a unique set of ocular structures that enable them to see in low light conditions and detect rapid movements, which are essential for their hunting and survival instincts.
Anatomically, the eyes of cats are composed of several key components. The cornea is the transparent, dome-shaped surface that covers the front of the eye. It helps to focus incoming light onto the retina. Behind the cornea lies the iris, the colored part of the eye, which controls the size of the pupil and thus the amount of light that enters the eye. The pupil is the black circular opening in the center of the iris that can dilate or constrict based on light conditions.
The lens, located behind the pupil, further focuses the light onto the retina, the light-sensitive layer at the back of the eye. The retina contains photoreceptor cells called rods and cones. Rods are highly sensitive to dim light and are crucial for night vision, while cones are responsible for color vision and detail perception. Cats have a higher concentration of rods than humans, which enhances their ability to see in low light.
Additionally, cats have a reflective layer behind the retina known as the tapetum lucidum. This layer reflects light back through the retina, giving cats a second chance to capture light and enhancing their night vision. This is why cats' eyes often appear to glow in the dark. The tapetum lucidum is a unique adaptation that sets feline eyes apart from those of many other animals.
Moreover, cats have a third eyelid, also known as the nictitating membrane or haw. This transparent or translucent membrane provides additional protection to the eye and helps to keep it moist. It can be partially or fully drawn across the eye to protect it from debris or injury.
In summary, the eyes of cats are highly specialized organs that include the cornea, iris, pupil, lens, retina, tapetum lucidum, and the third eyelid. These structures work together to provide cats with exceptional vision capabilities, particularly in low light conditions and for detecting rapid movements. Understanding these components is essential for appreciating the unique visual abilities of felines.