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Eyesight Acuity and Eye Disorders in Humans and Animals, While both…
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While both species share eye conditions, some eye disorders may be exclusive to only one group of species. This could be because of genetical and anatomical factors that can cause a particular condition to occur
There are some disorders that are exclusive to animals with reasons from genetical or anatomical reasons
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This would be because of the amount of colour-receptor cones in the eyes between the two groups; humans only have three types of cones while both cats and dogs possess two and are both dichromatic. This could also be because of a particular pigment that senses wavelengths of light
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Both species share the basic fundamentals/functions of the eye, but have exclusive parts of the former that the other group does not
(e.g., third eyelid is exclusive to cats and dogs)
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