(You may also notice dilated pupils when your cat's about to pounce, so watch out. Some may have a dark emerald green, while another could have a more hazel green or light yellow-green color. Each cat will have a different shade of green depending on their genetics. As you may have noticed, these cats can have light or dark fur and still have light green eyes. Some cat breeds that have green eyes are Russian blue, Sokoke and the Burmilla cat. This muscle control also allows them to dilate their pupils on command, which broadens their field of vision and helps them find their way. Green eyes are also due to a lack of melanin in the cat's iris. When a cat's irises detect too much light, they turn their pupils into slits to absorb less light, explains the Merck Veterinary Manual. According to the Cummings School of Veterinary Medicine at Tufts University, "cats need only 1/6th the illumination level and use twice as much available light as people."Īnother awesome advantage cats have over humans: they can use their muscles to control how much light enters their eyes. Everything looks a bit fuzzy to them.Ĭats' eyes are also very efficient. Human Eyesĭue to the structure of their eyes, including the tapetum, cats have better night vision than humans - but they can't make out sharp lines and angles. Your cat might be your favorite cuddle partner but, like their big cat cousins in the wild, they're also a hunter. This is when glowing eyes come in handy they function like tiny flashlights, helping cats navigate through the shadows and distinguish between prey and predator. That, in combination with the rods in their eyes, allows cats to detect changes in light and motion, skills that aid them in hunting in the dark.Ĭats are crepuscular animals, meaning they do most of their hunting during twilight. The tapetum increases retinal illumination in low lighting, explains American Veterinarian. Many people wonder if felines can also have green eyes. 2.1 Related posts: Cats are all special, whatever the color of their eyes. Survival Skillsīut glowing cat eyes don't just look cool - they serve a purpose. 2 Breeds of cats that can have green eyes. ScienceDirect reports that this glow can appear in colors including blue, green or yellow. The tapetum is a layer of reflective cells light bounces off it and reflects back to the cat's retina. How and Why Do a Cat's Eyes Glow?Ī cat's glowing eyes are caused by incoming light reflecting off what's called the tapetum lucidum - Latin for "shining layer" - explains Cat Health. Glowing cat eyes have conjured thoughts of the supernatural for thousands of years, but why do a cat's eyes glow? While it might be fun to joke that your cat X-ray vision, there are some actual scientific reasons behind that glow in their eyes.
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