The term "20/20 vision" refers to how sharp your eyes are when you look at a standard eye chart (Snellen chart) from a distance of 20 feet (or 6 meters)—depending on where you live. In the United ...

Eye pain begins when you have inflammation or an infection, eye disease, or injury. Many common and serious eye conditions fall under these categories. A few of the most common painful eye problems ...

During a recent appearance on The Jennifer Hudson Show, Ellen Pompeo — the Grey’s Anatomy star who appears ... the biggest check without blinking an eye.” You can watch the clip above.

A number of former PSNI senior cops are believed to be in the running to replace current Garda Commissioner Drew Harris. Mr Harris — himself a former Deputy Chief Constable of the Police Service of ...

Warning: this story contains spoilers from the March 27 episode of Grey's Anatomy. Meredith Grey (Ellen ... didn’t see eye to eye on their wedding plans. He wanted a larger affair — with ...

Meredith Grey (Ellen Pompeo) wouldn’t take no for an answer on Grey’s Anatomy. While presenting their research ... and Atticus "Link" Lincoln (Chris Carmack) didn’t see eye to eye on their wedding ...

When it's light outside, for instance, people tend to squint their eyes while their pupils — which control how much light enters the eye — constrict to protect the retina, Dr. Sandra Montezuma ...

A new study suggests that never-seen-before stem cells in the human retina can restore vision in mice with a common eye disorder. But more work is needed to translate the treatment to people.

Read more about eye parts and how your vision works, and take our quiz on eye anatomy. How often should you get your eyes checked? Recommendations for the frequency of eye exams for older adults vary ...

Nature Research Intelligence Topics enable transformational understanding and discovery in research by categorising any document into meaningful, accessible topics. Read this blog to understand ...

Glaucoma is caused by fluid building up in the front part of your eye, increasing pressure and damaging the optic nerve — a kind of electric cable that sends visual information from the eyeball to the ...

How does the urinary system work? The urinary system's function is to filter blood and create urine as a waste by-product. The organs of the urinary system include the kidneys, renal pelvis, ureters, ...