Eyes
Scientists Treat Severe Injuries in One Eye With Stem Cells From the Other
Patients' own stem cells could help them recover from chemical burns that damaged a single eye, a small, preliminary study suggests
Volunteers Are Spending 60 Days in Bed to Help Astronauts Stay Healthy in Space
For two months, the group of 12 men must eat, sleep, exercise, bathe and use the toilet while at least one shoulder is touching the bed
Cornea Implants Made From Pig Skin Restored Eyesight in a Small Clinical Trial
Fourteen patients who were blind could see again after the surgery, and three of them attained perfect vision
This Tiny, Googly-Eyed Prehistoric Crab Was a Fast-Swimming Predator With Sharp Vision
The 95-million-year-old crab had crystal clear eyesight and oar-like legs that helped it snatch up prey
Mini Brains Grown From Stem Cells Developed Light-Sensitive, Eye-Like Features
Understanding how eyes develop can help researchers pinpoint how to treat early retinal diseases
People Can Learn Echolocation in Ten Weeks
Researchers taught 12 people who are blind and 14 people with sight to use clicks to navigate their environments
New Gene Therapy Partially Restores Sight to Blind Man
Researchers inserted genes that code for light-sensitive proteins in algae into the man’s retina, and now he reports limited but much improved vision
Scientists Make Tiny Lab-Grown Tear Glands Cry
The tear-producing organoids researchers created could one day help relieve medical conditions that cause dry eyes
Compared With Hummingbirds, People Are Rather Colorblind
Experiments reveal the tiny birds can see "non-spectral" colors that blend ultraviolet light with colors humans can see to create distinct hues we can't
Scientists Velcroed 3-D Glasses to Cuttlefish to Study Their Depth Perception
The results of the eye-popping study suggest cuttlefish see the world in surprisingly human ways
These Lenses Zoom With a Couple Blinks of Your Eyes
Researchers have developed a soft polymer lens that changes shape based on electrical input
Why Don't People Smile in Old Photographs? And More Questions From Our Readers
You asked, we answered
These Two Newly Described Worms Have Really Strange, Yet Marvelous Butts
One worm species has eyes on its behind and another eats rock then poops sand
Dogs Evolved a Special Muscle That Lets Them Make 'Puppy Dog Eyes'
Wolves don't have the muscle to make that classic wide-eyed gaze, suggesting strong evolutionary pressures were at play in our pooches
Our Eyes Are Always Darting Around, So How Come Our Vision Isn't Blurry?
Our brains manage to construct stable images even as our eyes keep jerking around. Here’s what we know about how that happens.
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
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
Could These Glasses Cure Your Motion Sickness?
These odd-looking spectacles are the latest invention to try to resolve the common ailment
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
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
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