18 Stories

Woman Loses Vision After Weight-Loss Surgery

Not to mention severe pain and lesions on her eyes

(Newser) - After a Texas woman had gastrointestinal surgery, she lost weight as expected—but she also lost her vision. According to a study published last week in JAMA Ophthalmology, the woman in her 40s started complaining of deteriorating vision, eye pain, and lesions on her eyes. Study author Kyle Kirkland tells... More »

Got the Blues? You're Less Likely to See This Color

Sad people less likely to identify colors on blue-yellow axis: study

(Newser) - Got the blues? You probably aren't seeing blues clearly. That's the takeaway from a new study that finds how a person views the color blue may actually depend on mood, reports Medical Daily . Not all colors were affected in the same way. Researchers at the University of Rochester... More »

Age-Old Mystery About the Human Eye May Be Solved

We can see a single candle flame from 1.6 miles away, say astronomers

(Newser) - The power of human eyesight is often debated with a single question: How far can the human eye see a single candle flame? A quick Google search turns up guesses ranging from three to 30 miles, but no one has tried to find out for certain—partly because of the... More »

Computer Screens Aren't Making Us Nearsighted

Not exactly anyway: It's more about too much time spent indoors, researchers say

(Newser) - Rates of nearsightedness are rising so quickly around the world that the phrase "myopia epidemic" is being tossed around. Everybody's squinting over their smartphones, laptops, e-readers, and other gizmos so much that tech must be to blame, right? Well, it plays a role, "but not in the... More »

Baby Born With No Eyeballs

Expanders are sutured into his eye sockets so that one day he may get a transplant

(Newser) - When Kelly Lopez gave birth to a baby boy three months ago in Mesa, Ariz., she didn't think much of the fact that her newborn wasn't opening his eyes until hours went by. By 13 days of age, Richie Lopez had an MRI, and the family was shocked... More »

Man Blind for Decades Sees Again With Bionic Eye

Larry Hester is country's 7th recipient of device

(Newser) - It's been 33 years since Larry Hester started going blind. But thanks to a new bionic eye, the 66-year-old is experiencing vision once again, Duke Medicine reports. Granted, "it's not vision as we traditionally know it," a Duke University scientist tells Duke Medicine. But "turning... More »

Amoebas Eat Contact Lens Wearer's Eyeballs

Woman left lenses in for 6 months

(Newser) - Doctors hope a horrifying story out of Taiwan will help drive home the importance of proper hygiene for wearers of contact lenses. A 23-year-old student lost her eyesight after buying contact lenses that were supposed to be worn for one month and leaving them in around the clock for six... More »

Coffee May Help Eyesight

Study: Antioxidant keeps retinas healthy

(Newser) - Add this to the good-for-you , bad-for-you debate over coffee: A new study out of Cornell suggests that it might help keep your eyes healthy, reports Syracuse.com . Specifically, an antioxidant in coffee called chlorogenic acid, or CLA, staves off retinal degeneration in mice, reports Nature World News . In humans, that... More »

Feds OK First 'Bionic Eye' to Help Blind

Device gives limited vision to those with retinal disease

(Newser) - The FDA has approved the first use of an artificial retina or "bionic eye" to give the blind limited vision, reports the New York Times and Wall Street Journal . Users wear glasses outfitted with a video camera that transmits visual data to electrodes implanted in the eye; the signals... More »

Coffee Drinking Tied to Glaucoma

3 cups a day boosts risk: study

(Newser) - Yet more news in the debate over coffee's benefits and/or risks: A new study suggests a link between coffee and exfoliation glaucoma, a form of the disease that accounts for about 7% to 12% of cases. Noticing that Scandinavians, who drink the most coffee worldwide, also have the highest... More »

New Contact Lenses May Cure Nearsightedness

Prototype might help kids' eyes grow in proper way

(Newser) - If the prototype of a new corrective lens being unveiled later this month works as advertised, nearsightedness—or myopia—might become drastically reduced. As PhysOrg explains, current contact lenses and glasses provide what amounts to a superficial fix for the problem, but they don't keep vision from deteriorating. In... More »

'Signal Sending' Glasses Could Restore Lost Vision

Technology helps blind mice see

(Newser) - More good news for the estimated 20 million people who have lost or will lose their eyesight worldwide. Researchers have found a way to restore lost vision in mice, and they say the same technology can likely be developed for humans within two years, pending funding, reports Bloomberg . Scientists focused... More »

Judi Dench Battles Loss of Eyesight

British actor suffers from macular degeneration

(Newser) - Actor Judi Dench revealed in an interview with the Mirror that she can no longer see people's faces because her eyesight is deteriorating. But the 77-year-old is in treatment to stop her condition—macular degeneration—before it steals her sight altogether. "They had to do these injections and... More »

US Approves 2nd Human Trial of Stem Cells

Mass. company will try to treat progressive blindness

(Newser) - The FDA has approved the second stem-cell trial on humans: Advanced Cell Technology will test the effects of stem-cell treatments on 12 patients with Stargardt’s macular dystrophy, a disease that causes progressive blindness, Reuters reports. The currently untreatable disease causes degeneration of eye tissue beginning as early as age... More »

Lab-Grown Corneas Restore Sight

Six out of 10 patients were able to see

(Newser) - For the 1.5 million who go blind each year waiting for new corneas, new hope: For the first time, lab-grown corneas have been successfully transplanted—and worked, stimulating regeneration and allowing patients to blink and cry, and, in some cases, fully restoring their sight. Currently, human donors are the... More »

Teary Glenn Beck: I Might Be Going Blind

Macular dystrophy may rob his eyesight

(Newser) - A teary-eyed Glenn Beck has confided to a conservative crowd that disease may rob him of his vision in a year. "I can't focus my eyes," he told some 6,000 people in Salt Lake City on his American Revival tour. After tests, his doc told him: "... More »

Scientists Cure Red-Green Color Blindness in Monkeys

Adult brain can re-wire to use new vision input: study

(Newser) - Scientists have cured red-green color blindness in monkeys, the Times of London reports. Researchers injected a virus containing L opsin, a gene that regulates the production of the red-sensitive light receptor—known as a “cone”—into the retina of red-green colorblind adult monkeys, according to a study published... More »

Study Links Video Games to Improved Vision

Action games improve optics and brain's response

(Newser) - Adults can apparently improve their eyesight by playing action video games, a treatment less painful—for some, at least—than corrective lenses or eye surgery, according to researchers. Scientists compared study subjects who played the action games Call of Duty and Unreal Tournament 2004 to a group who played the... More »

18 Stories