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Difference Between Humans Eye And Cows Eye

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by

Jessica Polos

on 13 December 2012

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Transcript of Difference Between Humans Eye And Cows Eye

What is the difference between a humans
eye and a cows eye?? SIZE
The eyeballs of humans and the eyeballs of cows have a similar structure overall. Both have the sclera, which is the white part of the eyeball, cornea or the clear structure over the iris and pupil, lens, vitreous fluid, retina and choroid. The choroid is the layer of the eyeball that is between the retina and the sclera. However, despite the
many similarities, there are differences between
a cow eye and a human eye. The radius of the average cow
eyeball is about 1/2 inch (15mm)
with a diameter of 1.2 inches
(30mm). The human eyeball
size varies, but on average
it is 1 inch (24mm). However,
every other part of the eyeball
that a cow eyeball shares
similarities with a human
eyeball is found to be larger in
a cow's eyeball. Light Reflection If a cow looks into the light of
a car, or if any other light is
shone on their eyes, their
eyes look like they are glowing.
If you did the same thing to a
human, this would not happen.
This is caused by the tapetum
lucidum in cows, which is an
area of chartreuse pigment
located just below the retina
at the level of the choroid, in
the back of the cow's eyeball.
The light that enters the eye
reflects within the eye and
amplifies low levels of light,
which improves their vision
at night. Color Perception Cows can see color, but the distribution
of rod and cone cells in the cow's retina
does not perceive colors the same way
humans do. It's hard to tell how cows
see colors, but the way the rod and
cone cells are spread out in the retina
shows that they can, in fact, differentiate
between colors like red and green, blue and
yellow, black and white, but in a less
advanced way than humans do. PLEASE ENJOY THE FOLLOWING VIDEO ABOUT DISSECTING A COWS EYE THANKS FOR WATCHING OUR PRESENTATION ON DISSECTION AND DIFFERENCE BETWEEN HUMANS EYE AND COWS EYE!!!! HOPE YOU ENJOYED !! Humans Eye Cows Eye
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