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Cat eye: Mystery Revealed

Why the eyes glow from a cat's? Can cats see in total darkness? They can see in color? Why a cat's eyes so big in comparison to the rest of their body? Why a cat's pupils shaped differently than ours?

For thousands of years, cats are a source of fascination and mystery. It was just recently during many of their secrets are revealed by modern science and our knowledge of physics and biology.

One of the most remarkable feature anatomy of a cat is its large, captivating eyes. Their large size in relation to the rest of its body is more than a thing of beauty, this size ratio serves an important function. Large eyes allow for more massive internal structure: a larger student, lens and retina. This allows more light to enter the eye, thereby facilitating night-vision. So, cats are better suitable for low light conditions. Note that the owls, bats and other night (active during the night) animals also have very pronounced eyes.

Cats have extra Benefits possessing unique, elliptically shaped pupils. The pupils can quickly grow to a huge degree, to permit even more light to enter inside the eye. In contrast, they can also constrict into tiny slits in the presence of bright light, to protect their sensitive internal eye structures. Ongoing study is determining other possible benefits of elliptically shaped pupils. Some scientists theorize that an elliptically shaped students will allow for extra wavelengths of light to stimulate additional focal zones along the length of the lens of a cat's eye. This may mean that the cat will not only be viewed in color (it has been proven due to the presence of anatomical structures in their retinas called "cones," the process color information), but they may also suddenly see sharp, detailed color images, even under low light conditions.

Cats also have a structure not found in the human eye, called the tapetum lucidum, A Latin phrase meaning "bright carpet." This amazing mechanism magnifies and reflects the light entering the eye of a cat's, allowing the retina the cat to absorb excess light. Again, this render the animal's night-vision. It is this special structure that reflects light, causing the eyes of a cat to "glow" in the dark when you shine a light on it.

Studies performed in the tapetum lucidum with an electron Microsoft suggest that this reflection of light occurs in the eyes of a cat with a minimum of scattered light, thereby reducing the image blurring. Although studies show that cats are not the only animal species animal to have a tapetum, tapetum a cat is particularly designed to show the particular wavelengths of light in the environment where it lives.

Because the eyes of a cat was developed specifically for low light situations, cats are the ideal night predator. However, like humans, cats require a small amount of light to see. In the depths of a cave underground, in the absence of any light source, a cat is as blind as any other animal breastfeeding.

In all our modern achievements and discoveries, scientists are still striving to learn more about how process cat's eye light. How a cat's eye is still not functioning fully understood. Many individuals incorrectly assume that cats can not see in color. Others, more educated in this respect, to keep them can see in color, though imperfectly, and only at certain distances. In the near future, scientists may discover that the cat's see the color with clarity and precision, even under low light conditions.

About the Author

After receiving her doctorate in 2001, R. G. Kirk has published numerous articles on a wide range of topics. She is currently the marketing director for http://www.cruisecat.com - a company that provides international travel opportunities, and focuses on luxury pet vacations.

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