eyes eyes

Proper eye protection is a must for anyone looking up at a solar eclipse. Eclipse glasses are far darker than regular sunglasses. Joseph Okpako/Getty Images hide caption

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Joseph Okpako/Getty Images

Planning To Watch The Eclipse? Here's What You Need To Protect Your Eyes

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Eyes come in all sizes. These belong to a domestic cat (from left), an owl and an octopus. The Comparative Ocular Pathology Laboratory of Wisconsin has 56,000 specimens in its collection — including 6,000 from more exotic species. From left: Andyworks, Ralf Hettler, vicmicallef/iStockPhoto hide caption

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From left: Andyworks, Ralf Hettler, vicmicallef/iStockPhoto

'One Of A Kind' Collection Of Animal Eyeballs Aids Research On Vision Problems

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Can you guess which eyes belong to what animal? Top row, from left: cuttlefish, lion, goat. Bottom row, from left: domestic cat, horse, gecko. Top row: iStockphoto; bottom row: Flickr hide caption

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Top row: iStockphoto; bottom row: Flickr

Eye Shapes Of The Animal World Hint At Differences In Our Lifestyles

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Surprise! Not one of these things contains a single speck of blue pigment. Evan Leeson/Bob Peterson/lowjumpingfrog/Look Into My Eyes/Flickr hide caption

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Evan Leeson/Bob Peterson/lowjumpingfrog/Look Into My Eyes/Flickr

How Animals Hacked The Rainbow And Got Stumped On Blue

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Examples of what the iPhone app looks for: The white reflection from an otherwise dark pupil can indicate a tumor, a cataract or other eye problems. Claire Eggers/NPR hide caption

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Claire Eggers/NPR

Look Here: Phone App Checks Photos For Eye Disease

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