Scallops can have up to 200 eyes, although scientists still don't know exactly how they all work together to help the mollusks see.

What Scallops' Many Eyes Can Teach Us About the Evolution of Vision

Scallop eyes, which function similar to telescopes, are even more complex than scientists previously knew

A rare, blue-eyed coyote

Rare Blue-Eyed Coyotes Spotted in California

Coyotes’ eyes are consistently golden-brown, so researchers have been surprised to learn of five California coyotes with piercing baby blues

The Boarding Glasses have two round lenses in front and two on the side, the hollow rims each half filled with blue liquid.

Could These Glasses Cure Your Motion Sickness?

These odd-looking spectacles are the latest invention to try to resolve the common ailment

The team’s findings compared the estimated visual acuity, or sharpness, of about 600 species.

How Does Your Vision Compare to Other Critters in the Animal Kingdom?

A new review of visual acuity compares the sight of 600 species, from mosquitoes to eagles

Eye worm extracted from Beckley

Woman Pulls Parasitic Cattle Eye Worm From Her Own Eye

This was the first-known time the parasite has made the jump from cows to humans

Praying Mantises Don Tiny Goggles to Help Us Understand 3-D Vision

Unlike humans and other animals, the insects rely on movement to judge distances to their prey

Could This Bionic Vision System Help Restore Sight?

The technology gives hope that blind patients, who lost sight from disease, might one day emerge from the dark

A record-breaking gathering of Waldo (known across the pond as 'Wally') impersonators in Dublin, Ireland, in 2011.

The Science Behind Our Search for Waldo

'Where's Waldo' was first published on this day in 1987

Everyone sees them all, but we don’t all give them the same distinct names.

The World Has Millions of Colors. Why Do We Only Name a Few?

Cognitive scientists suggest that we name the colors of things we want to talk about

Until recently, neuroscientists have considered the method the brain uses to quickly and easily analyzes faces to be a "black box."

How Your Brain Recognizes All Those Faces

Neurons home in on one section at a time, researchers report

Could the Tiny Zebrafish Teach Us to Cure Blindness?

By learning how zebrafish regenerate their retinas, researchers could figure out how to help humans do the same

The cockeyed squid keeps one eye to the sky and another peeled to the darkness below.

Why This Squid Has One Giant and One Tiny Eye

The creature’s mismatched eyes help it survive in the ocean depths

Chinese researchers have harnessed the power of deep learning to help doctors identify this rare disease.

Can Eagle-Eyed Artificial Intelligence Help Prevent Children From Going Blind?

Deep learning pinpoints cataracts more accurately than humans, and could help prevent this form of vision loss in children

If only the three blind mice had enjoyed access to 21st century retinal transplant technology.

These Blind Mice Just Got a Vision Boost Thanks to a New Transplant Technique. Could Blind Humans Be Next?

Transplanting an entire piece of retinal tissue into the eyes of blind mice appears to work better than just transplanting cells

You May Not Have Rhythm, But Your Eyeballs Sure Do

Tracking eye movement gives researchers a peek into how the brain reacts to music

Ask Smithsonian: How Does the World Look to the Color Blind?

Most people who are color blind can see colors, they just have trouble distinguishing between specific kinds

Are these cylinders round or square?

Check Out the Best Illusions of 2016

Baffle your brain with these contest-winning mind-benders

Mammals May Have Dinosaurs to Thank for Their Night Vision

Mammals most likely developed a new pathway to night vision to avoid the jaws of dinos and other daytime predators

Adriaen van de Venne engraved this early depiction of a Dutch telescope. Image courtesy of Wikipedia.

10 Bizarre, Vision-Enhancing Technologies From the Last 1,000 Years

Before Oculus Rift, there were lorgnettes, TV glasses and eyborgs

Alex Hudson wearing Specs4Us glasses

Designing Glasses That Fit Individuals With Down Syndrome

Optician Maria Dellapina started Specs4Us when her daughter struggled to find a pair of glasses that wouldn't slip

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