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 ... The bottom number reflects the smallest letter size you can ...

3M stock has soared by over 50% over the last year. But these gains should leave you cautious. The company could well face more challenges ahead. After a large settlement, much of 3M's business ...

President Trump on Wednesday unveiled the centerpiece of his tariff agenda, saying he will impose sweeping import taxes on goods from all nations. He called the levies necessary to rebuild the U.S ...

It occurs when high blood sugar levels damage small blood vessels in the retina, the light-sensitive tissue at the back of the eye. These damaged blood vessels leak fluid into the macula ...

Washing my eye out with water didn’t seem to help; when I closed my left eye, the right one was blurry. I rushed off to Boots for eyewash. Eight eye baths later.

This important study examines the relationship between cognition and mental health and investigates how brain, genetics, and environmental measures mediate that relationship. The methods and results ...

However, whether a change in only eye size affects the perception of cuteness across different ... the models in the infant group whose actual age was more than 2 SDs from the mean were removed.

[Becca] will need visual acuity testing much earlier than most toddlers, but a standard eye chart is meaningless to kids before they get their letters. This is where Lea shapes come in – a set ...

As has been found in some bird and primate species, human eye and visual system sizes vary with the levels ... suggesting that the changes in ocular size exactly compensate for the lower light levels ...