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How well do dogs see in the dark?

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Dogs see a lot better than humans do at night. Dogs have many adaptations for low-light vision. A larger pupil lets in more light. The center of the retina has more of the light-sensitive cells (rods), which work better in dim light than the color-detecting cones. read more

Date: November 9, 2007 Source: University of Wisconsin - Madison Summary: Dogs see a lot better than humans do at night. Dogs have many adaptations for low-light vision. A larger pupil lets in more light. read more

Dogs see shades of gray, while a human's world is in living color. The human retina has more cone cells, which distinguish color, while dogs' retinas have more rods, which need much less illumination to detect the gray spectrum. read more

Following factors on which the mechanism by which dogs appear to see in the Dark depends (I say "appear" because dogs cannot see in total darkness any better than we can): Dogs eyes are structurally different than human eyes. Dogs have larger pupils, more rods in wider retinas. read more

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