vision

Blind people may use their visual cortex to regulate movement

by

The brain’s visual cortex may be reorganised to control movement in people who cannot see Health 16 March 2022 By Jason Arunn Murugesu Stock image of a blind person walking with a stick Shutterstock / PH888 The visual cortex, the part of the brain that receives information from the eyes, has been known to respond … Read more

Best Night Vision Binoculars 2022

by

How do you learn to read in the dark? You go to night school. How do you find out which are the best night vision binoculars? Keep reading!  Shopping for night vision binoculars can be a real challenge, with so many options available (and many from less known brands). It is a market in continual … Read more

SpaceX double vision: These photos show two Falcon 9 rockets on their pads for back-to-back launches

by

Two SpaceX Falcon 9 rockets stand ready to launch different missions from their Florida launch pads. At right is a Falcon 9 carrying 49 Starlink internet satellites atop NASA’s Pad 39A at the Kennedy Space Center. At left, a different Falcon 9 with the Italian Cosmo-SkyMed Second Generation FM2 satellite stands atop a pad at … Read more

Station Eleven review: An uplifting vision of a post-pandemic world

by

By Elle Hunt Kirsten and her close friend August stick together to survive HBO Max/Warner Media TV Station Eleven Created by Patrick Somerville EARLY in the covid-19 pandemic, as people struggled to make sense of the unfolding global crisis, many turned to stories almost as often as the latest news and science. In January 2020, … Read more

The Weirdest Eyes in The Animal Kingdom See a World We Can’t Imagine

by

When you view the world a certain way, it’s easy to forget not everyone has the same vision. We do mean that quite literally. Aside from philosophical considerations of the subjective experience of color, different organisms have evolved to view the world differently, with eye structures and configurations optimized for various kinds of existence.   … Read more

The First FDA-Approved Eye Drops to Treat Blurry Vision Are Now Available in The US

by

The joke about “needing longer arms” when you grow older and try to read small print is common enough. The cause – a natural decline in our eyes’ ability to focus on nearby objects, or presbyopia – is the reason so many people end up getting reading glasses in older age.   Now, for the first … Read more

Cataracts and dementia: People who undergo eye surgery have lower risk of brain condition

by

People who have cataracts can reduce their risk of developing dementia by about 30 per cent by undergoing surgery to restore their sight, although it’s not clear why Health 6 December 2021 By Clare Wilson Laser surgery for the treatment of cataracts IMANE/SCIENCE PHOTO LIBRARY Older people who have cataract surgery to improve their eyesight … Read more

Health in space: Sleeping bag could prevent vision loss in astronauts

by

Long spells in microgravity can alter eyeball shape, but a sleeping bag that applies suction to the lower body could prevent such problems Space 9 December 2021 By Jason Arunn Murugesu Volunteers spent 72 hours in the high-tech sleeping bag UT Southwestern Medical Center A sleeping bag that mimics the pull of gravity could prevent … Read more

There’s a Cancer Treatment That Gives People ‘Night Vision’. Here’s How

by

Among all the different types of cancer treatment, photodynamic therapy – where light is used to destroy malignant cells – might have one of the strangest side effects: Patients are often better able to see in the dark.   Last year, researchers finally figured out why this happens: Rhodopsin, a light-sensitive protein in the retinas in our eyes, interacts with … Read more