A simple eye movement trick can refresh your brain, clear mental fog, and improve focus in just 60 seconds Try this easy ...

Optical illusions challenge our perception, and this sunflower garden puzzle is no exception! A lone buzzing bee is cleverly ...

The eyes can reveal a lot about the health of our brain. Indeed, problems with the eyes can be one of the earliest signs of ...

The 57-year-old Big Brother legend had to undergo emergency surgery to remove a cyst on her brain after initially ignoring ...

A recent study observed sleeping participants' pupils during sleep, using a new method that could have implications for ...

Think you have sharp eyes? Here’s a fun challenge for you! Hidden among a sea of number 5s is a sneaky little number 3—can you spot it? This optical illusion is a real test of your observation skills.

ETH Zurich researchers found that pupil size changes during sleep, indicating shifts in brain activity. This could help ...

A vision test may help diagnose dementia 12 years before a diagnosis, according to research. Here, experts explain vision and ...

"Miosis" is a medical term that describes the constriction of the pupils. Learn its causes, symptoms, and how to treat it.