When your vision suddenly feels a little “off,” there’s a simple reason your eyes may be working harder than you think.

As we age, our vision undergoes natural changes, including difficulty focusing on near objects (presbyopia) and reduced light ...

For just a few hours, shimmering waves of calcium move through cells in the developing eyes of fruit flies. These spontaneous ...

A leading pharmacist has urged patients to keep a close eye on the colour of their urine, which can provide vital clues to ...