"Our findings do not prove that all corneas are resistant," says Jonathan Miner."But every donor cornea we tested was resistant to the novel coronavirus."

Scientists have used gene therapy to regenerate damaged nerve fibres in the eye, in a discovery that could aid the development of new treatments for glaucoma,

"...science now has tools that allow us to explain why an individual, from moment to moment, might fail to remember something stored in their memory."

Brighter areas, such as agricultural land, aren't hospitable to big-eyed birds, research finds. The study links the size of bird eyes, habitat, and foraging style.

Subanesthetic ketamine, already a treatment for depression and pain, can also treat amblyopia, or "lazy eye." Here's how.

Your mouth might be obscured, but science shows you say a huge amount with your eyes.

"This shows how the brain is specialized not to perceive others' eyes, but rather to perceive the mind behind the eyes."

Some viruses can hide out in the body and reemerge at later times. Which viruses do this, and can the new coronavirus do this too?

Special filters can help people with color blindness see more color. And those changes remain even after they take the glasses off.