Looking At Orange Light Is Like Drinking A Cup Of Coffee

Light is an incredibly powerful force. Sure, it helps us see and gives us fast internet, but medical researchers keep stumbling upon new positive side effects. A team of Belgian scientists, for instance, just discovered how a 10-minute blast of orange light increases brain activity related to cognition and alertness.

What Is The Resolution Of The Human Eye?

The new iPhone camera is eight megapixels. Meanwhile, Canon is reportedly testing a new DSLR with 75 megapixels. But how many megapixels is the human eye? That is, how many megapixels would an image the size of your field of vision need to be to look normal?

This Simple App Can Train Your Brain To Have 20/7.5 Vision

Everybody wishes they had super powers. The big problem with that shared ambition, however, is that super powers do not exist. Not unless you count super human vision. That does exist, and a new app promises to help you attain it.

Stare At This Illusion For 10 Seconds To Witness Pure Magic

Your eyes can paint colours onto blank objects. I swear! Just stare at the red dot in the optical illusion above for 10 seconds and you’ll see the black and white cityscape be transformed into a brand new colourful world. Each building will have its own nuanced colour. Magic!

Scientists Use Gene Therapy To Stop Six People Going Blind

A team of surgeons in Oxford have used a pioneering new form of gene therapy to stop six of their patients going blind–and it’s hoped the technique could be used to treat blindness more generally.

Playing Video Games With Your Eyes: Not As Cool As You'd Hope. Yet.

Kinect might be the big name in full-body motion control, but it’s Tobii that’s got eyes on lock. And while its past (awesome) demos have been interface-centric, now the company is taking on games. It’s not perfect yet but man do I ever want this to be awesome.

How The 20/20 Vision Scale Works

With more than 150 million people in the United States (nearly half of the population) requiring some form of corrective eyewear to compensate for visual impairment, chances are you have had your eyesight graded on the 20/20 scale before. If you haven’t, you have probably heard other people saying they have “20/20 vision” or even the phrase “hindsight is 20/20″. The vision scale is so prevalent in Western culture that there’s even a TV news show named after it.

Why Do These Trippy Reindeer Eyes Change Colour With The Seasons?

Dogs and cats are adorable creatures by day, but under the cover of night their eyes seem to shine like demon spawn. That’s the work of the light-reflecting tapetum lucidum, a layer of tissue that sits right behind the retina. As it turns out, that same tapetum lucidum just might be responsible for turning reindeer eyes from gold-hued in the summer to blue-tinted in the winter. Neat!

Google's Getting Serious About Prescription Glass

Google really knocked everybody’s socks off when it revealed Glass last year — everybody except glasses-wearers, that is. As the company prepares to bring the device to market, though, Google doesn’t want to leave anybody out, and that means creating Google Glass with prescription lenses.

The New Chip That Will Help Beam Displays Right At Your Eyes

Back at CES, Texas Instruments announced a new chip architecture for portable projectors. Now it’s rolling out its first chip with that tech built-in. What’s that mean for you? Better pictures to beam into your eyes.