Why are cat's eyes split vertically?

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Offline thedoc

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Why are cat's eyes split vertically?
« on: 06/10/2016 10:40:15 »
 As a cat lover I've wondered at the beauty of their eyes and in particular why are their pupils split vertically (rather than horizontally) and for that matter why a split at all and not circular?
Asked by Peter Lake


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[chapter podcast=1001476 track=16.10.04/Naked_Scientists_Show_16.10.04_1005745.mp3]  ...or Listen to the Answer[/chapter] or [download as MP3]

« Last Edit: 06/10/2016 10:40:15 by _system »

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Offline evan_au

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Re: Why are cat's eyes split vertically?
« Reply #1 on: 11/05/2016 22:50:13 »
A variety of theories are presented here: http://en.wikipedia.org/wiki/Pupil#Other_animals