Cats
can see almost as well as humans can, and at times better. Cat vision is
designed for detecting motion, useful for hunting. Like humans, cats have
binocular vision, although not as well tuned as in humans. This means a
cat most likely sees in 3-D; very useful for judging distance. Cats have
an elliptical pupil which opens & closes much faster than round types
and allows for a much larger pupil size. This allows more light to enter
the eye. Cats appear to be slightly nearsighted, which would suggest their
vision is tailored more for closer objects, such as prey, that they can
capture within running distance. Objects farther than several hundred yards
rarely interest a cat.
movement to locate the general location of prey, then targets and captures the prey using its keen eyesight. Cat vision is adapted
to capture even the slightest movement. This makes the cat
one of the most successful hunters on land.
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