vision

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The Way You Apply Eyeliner Could Be Unhealthy
The Way You Apply Eyeliner Could Be Unhealthy
NEW STUDY
Apr 2, 2015 11:32 AM CDT

The Way You Apply Eyeliner Could Be Unhealthy

If you're a contact lens wearer, that is

(Newser) - Your dramatic eye makeup could actually be unhealthy for your eyes assuming you're a contact lens wearer, according to a tiny pilot study that appears in Eye and Contact Lens Science and Clinical Practice . The study involves the "waterline." That's the thin inner portion of the...

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...

We Can Only See 30 Shades of Gray

Meanwhile, 'Fifty Shades' shown to 'SpongeBob' audience

(Newser) - Human beings can only see around 30 shades of gray, according to a bit of trivia Popular Science says it found in a research paper and has decided to share "for no particular reason whatsoever." The exact number of shades of gray we can distinguish will vary a...

We Were Tricked Into Thinking Carrots Improve Vision

But it turns out to be kind of true

(Newser) - Eating lots of carrots will improve your vision, right? Not exactly, the American Chemical Society explains in a new video . Bottom line: Carrots can contribute in a general way to overall eye health, but they're not going to prevent you from needing glasses. As the ACS video explains, carrots...

Brain Pathway Science Forgot Is Rediscovered

Vertical occipital fasciculus is involved in visual perception, attention, etc.

(Newser) - In 2012, a team of researchers out of the University of Washington's Institute for Learning and Brain Sciences thought they'd stumbled upon a new pathway in the brain associated with reading that had somehow been glossed over by their predecessors. "We couldn't find it in any...

Google Glass Messes With Your Peripheral Vision
Google Glass Messes With Your Peripheral Vision
STUDY SAYS
Nov 5, 2014 6:09 AM CST

Google Glass Messes With Your Peripheral Vision

Small study finds obstruction in the user's upper right quadrant

(Newser) - Ever wonder if the small computer monitor on the top right of Google Glass gets in the way of a user's vision? An ophthalmologist at UC San Francisco almost got in a car accident when he didn't see a car coming from the right, and he decided to...

Meet the Woman Who Can See 100 Times the Colors You Can

Concetta Antico is a tetrachromat: her eyes have four cones

(Newser) - If you're a tetrachromat—which, odds are, you aren't—you can see more colors than the rest of us, thanks to an extra structure in your eyes. The structure, known as a cone, detects certain light wavelengths. With three cones, most of us can see about a million...

Man Blind for Decades Sees Again With Bionic Eye
 Man Blind for 
 Decades Sees 
 Again With 
 Bionic Eye 
in case you missed it
Oct 18, 2014 10:59 AM CDT

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...

Stem Cell Blast Returns Sight to the Legally Blind

Preliminary study surprises researchers

(Newser) - When researchers infused tens of thousands of new stem cells into the retinas of legally blind people, they didn't expect a breakthrough in the patients' vision. But that's what they got, NPR reports: Ten of 18 subjects experienced significant improvement in their vision. The study was intended only...

How Smartphones Could Someday Correct Your Vision

MIT researchers develop 'vision correcting display'

(Newser) - If you're blind as a bat with Coke-bottle glasses, there may be hope for you—new research out of MIT could make it easier to read your tablet, smartphone, or eReader, LiveScience reports. Scientists there have developed a transparent "vision-correcting display" that goes on the screen of an...

Eyes of the Dead Could Help Living See

Cell transplants restore brain, eye connection

(Newser) - A new technique could dramatically improve the ways in which the eyes of the dead can help restore sight to the blind, according to research published in the journal Stem Cells Translational Medicine . Researchers extracted a type of adult stem cell from the back of donated eyes and found that...

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...

Coffee Drinking Tied to Glaucoma
 Coffee Drinking 
 Tied to Glaucoma 
study says
Oct 5, 2012 12:30 PM CDT

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...

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...

Eye Doctors Zero In on Vision Loss

New treatments hold promise of curing some types of blindness

(Newser) - Those who were once blind may someday see, thanks to decades of research into what causes certain types of blindness. Scientists have developed several types of experimental treatments, including gene therapy, which could help prevent the rare eye disorder known as Stargardt disease, one of many vision problems that results...

Long Missions May Wreck Astronauts' Vision

Brain scans show abnormalities in eyeballs, optic nerves

(Newser) - NASA has been worried for a while now about astronauts returning from space with blurred vision and other eyesight problems. A new study in the journal Radiology might help explain why: Brains scans of 27 astronauts who had been on missions longer than a month showed that they had abnormalities...

Star Trek-esque Device May Let Blind 'See'

Uses sound to activate visual cortex

(Newser) - Remember the iconic Star Trek visor that allowed a blind engineer to see? A team of scientists in Israel has developed something like a real-life version of the gadget, the Daily Mail reports. The Sensory Substitution Device turns visual information into sound that blind people can interpret after a little...

NASA's New Worry: Astronauts Going Blind

It could happen on a trip to Mars

(Newser) - NASA has a serious health concern to resolve before it fires up a manned mission to Mars or some other way-off locale: Astronauts might not be able to see anything once they get there. As the Orlando Sentinel explains, the space agency is seeing more cases of astronauts reporting blurred...

Why Elderly Drive Badly: They See Too Much


 Why Elderly 
 Drive Badly: 
 They See 
 Too Much 
IN CASE YOU MISSED IT
Jan 29, 2011 7:47 AM CST

Why Elderly Drive Badly: They See Too Much

The brain loses its ability to filter out background visuals: Study

(Newser) - One of the knocks against elderly drivers is that, like Mr. Magoo, they just can't see what's in front of them. A new neurological study flips the premise and suggests that they see too much, reports Scientific American . The theory goes like this: Our brain takes in so much visual...

Retinal Implant Restores Partial Vision to Blind

Microchip under retina senses light, sends signals to brain

(Newser) - Scientists in Germany have used an implant to restore at least partial eyesight to three patients with a disease that causes degenerative blindness, PhysOrg reports. The new device, called a sub-retinal implant, is a light-sensitive microchip with 1,500 light sensors inserted below the retina. Previous devices required an implant...

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