It's the reflection of the light off of the rods in the back of the eye. Humans have the same rods, they just do not have as many, which doesn't allow for the reflection. And due to the reflection of the light, the cat is able to see in the dark.
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Cats have a layer of specialized cells in their eyes called tapetum lucidum that reflects light, allowing them to see better in low light conditions. When their eyes flash in the dark, it's the light reflecting off the tapetum lucidum, helping them to see in the dark by maximizing any available light.
No. In the dark, the eyes of animals, especially animals that are nocturnal, will reflect light and look like they glow. This is the same thing that causes your eyes to "glow" red when someone takes a photo with a flash.
A cat's eye is affected by the setting of light.Since cats can see well in the dark, their eyes will dilatate into round pupils.Basically, a Answers.com eyes react to light in much the same way as a human's. Off Answers.com, cats can see a lot better in the dark because their pupils dilate more to allow more light into the eye.
Look at a mirror and make it as light as possible, look at your eyes Look at a mirror and make it as dark as possible, Look at your eyes What's the difference. Same with cats
Cats' eyes have a reflective layer called the tapetum lucidum that helps them see better in low light. In the dark, their eyes may appear to glow or shine due to this layer reflecting incoming light. Their pupils also dilate to let in more light, giving them better night vision.
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