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---"I want to add my praise for WiggleLegs Frog toy.  My cat loves to play with WiggleLegs No other toy will do.  When I ask her to find WiggleLegs she goes right to it!  I just ordered 3 more as I'm afraid you will stop making them and then I don't know what we will do!"

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Each MetPet FlyToy is handmade by skilled artisans with great attention to detail.  They come in the form of bugs, amphibians, mammals and more in three very reasonable price points.

---"I can't believe how your company understands cats so well"

Cat Eyes, the Basics

Amazing cat eyes 101

 

MetPet.com Staff Writer

As hunters of small, fast-moving rodents and fast-flying birds, a cat's eyes are amazingly responsive to its environment.  In addition to being highly attuned to movement, cats can also see in much dimmer light than humans can but do not have our wide and discriminating color vision.  Cats do see colors but with less differentiation than humans.

A cat's eyes are very large in its head in comparison to a human's.  If our eyes were proportionately as large, we would have eyes the size of tennis balls. 

Range and control over vision
Cats have a wider range of vision than humans: 295 versus 210 degrees.  Binocular vision is approximately of the same range: 130 vs 120 degrees.  As with all hunters, their eyes face forward and work together providing binocular vision.  This gives them excellent depth perception (the visual cortex of the brain processes the two slightly different images from the eyes and uses them to provide three-dimensional images). The forward facing eyes however, limit their ability to see to their sides which limits their field of view. 

Cats have tremendous control over their eyes.  The bottom and top lids allow cats to regulate vision like a blind.  They can narrow their vision into narrow horizontal slits as humans can.  Unlike humans, their pupils can then be narrowed into vertical slits.  Using the up and down movement of their lids along with the side-to-side movement of their pupils, cats can fine tune their vision with pinpoint accuracy.

See in darkness
Cats, as well as dogs, have a layer of cells at the back of their eyes that is called the tapetum lucidum or 'bright carpet'.  As light enters the eyes (through the cornea, anterior chamber, pupil, lens, vitreous body, retina) this layer acts as a mirror bouncing the light back into the retinal cells so that a cat can make better use of available light than humans can.  It is this layer of cells that creates the night time glowing eyes effect in both cats and dogs.  Their eyes are not glowing but are simply reflecting back the light from flashlights and car headlights.

Cats cannot see in complete darkness as eyes require some light to function.  They can, however, see much more clearly in low light than humans can.  It is estimated that they can see in about 1/6th the light that we can which allows them to scamper easily around a darkened house to find mice. 

Seeing colors
In exchange for vision attuned for movement, cats have limited ability to discriminate between colors.  They are not color blind but are likely to rely more on shades of colors than the actual colors themselves.  It is possible that cats can differentiate between shades of gray more easily than different colors. 

Studies have shown that cats can probably differentiate between the following pairs of colors:

blue and red red and green grey and yellow
blue and yellow red and grey grey and green
blue and green red and yellow  
blue and grey    

Third eyelid
Cats have a third eyelid, called the nictitating membrane that normally sits at the inside corner of the eyelid and is usually barely visible in a healthy cat.  It is thought to provide additional protection to the eye and can sometimes be seen when a cat is drowsing with its eyes partially open. 

 
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