“Expanding hole” illusion tricks the brain into dilating the pupils

When you view the image above, does it look like black smear in the center is expanding? If it does, that means you’re like most people – and your brain may even think that you’re entering a tunnel, adjusting your eyes accordingly.Continue ReadingCateg… Continue reading “Expanding hole” illusion tricks the brain into dilating the pupils

New cataract-clearing drug shows promise in tests in mice

Cataracts are one of the most common forms of vision impairment, and unfortunately surgery is the only real treatment. But the clouds may be parting on a new drug treatment, improving the vision of the majority of mice it was tested on.Continue Reading… Continue reading New cataract-clearing drug shows promise in tests in mice

Alcoholism treatment restores vision in mice with macular degeneration

Scientists have found that an existing drug, already used in humans to treat alcohol use disorder, could help restore vision lost to conditions like age-related macular degeneration and retinitis pigmentosa. The discovery also uncovers a new mechanism … Continue reading Alcoholism treatment restores vision in mice with macular degeneration

World’s only drug-delivering contact lens approved for use in the US

Over the years we’ve looked at many interesting studies and research prototypes demonstrating how contact lenses could one day be used for much more than correcting vision, and the delivery of medication is one of the more promising possibilities. A ne… Continue reading World’s only drug-delivering contact lens approved for use in the US

New study reveals how the color of your shirt could attract mosquitoes

If you’ve ever been eaten alive by mosquitoes at a barbecue while the person sitting next to you escapes unbitten, the color of your clothes might be to blame. New experiments reveal that certain colors attract hungry mosquitoes while others are ignore… Continue reading New study reveals how the color of your shirt could attract mosquitoes

First FDA-approved eye drops to replace reading glasses go on sale

The first FDA-approved eye drops to treat age-related blurry near vision (presbyopia) has gone on sale in the US, offering a potential alternative to reading glasses for the estimated 128 million Americans affected by this common condition.Continue Rea… Continue reading First FDA-approved eye drops to replace reading glasses go on sale

Body-sucking sleeping bag may help protect astronauts’ vision

When astronauts stay in outer space for extended periods, they frequently develop a vision problem known as spaceflight-associated neuro-ocular syndrome (SANS). Scientists are now trying to keep that from happening, via an experimental vacuum-sealed sl… Continue reading Body-sucking sleeping bag may help protect astronauts’ vision

Brief exposure to near-infrared light improves deteriorating vision

As we age, our eyesight naturally declines but a new study has found exposing our retinas to short bursts of deep red light can help deteriorating vision. The research shows just three minutes of exposure to 670-nanometer (long wavelength) deep red lig… Continue reading Brief exposure to near-infrared light improves deteriorating vision

Study shows that pandas’ bold coloration actually helps them to hide

Given the fact that they live in an environment full of brown tree trunks and green leaves, giant pandas’ bold black-and-white fur coloration might seem counterintuitive. According to a new study, however, it really does help them blend into their surr… Continue reading Study shows that pandas’ bold coloration actually helps them to hide

Pupil size found to vary based on number of objects you’re looking at

A compelling study has found pupils respond in the same way to the number of objects in one’s field of vision as they do to light. Experiments revealed pupils dilate in response to images with larger quantities of dots, indicating sensing numbers is an… Continue reading Pupil size found to vary based on number of objects you’re looking at