This optical illusion dares you to spot all the hidden faces in just five seconds. Look closely, the answer reveals far more than meets the eye. Did you catch them all?

Scientists at UC San Francisco may have discovered a new way to test for autism by measuring how children’s eyes move when they turn their heads. They found that kids who carry a variant of a gene ...

The “follow my finger” test is part of a brief eye movement exam to help diagnose stroke Clinicians may soon have a simple method for diagnosing stroke in patients complaining of dizziness, nausea, ...

Our optical illusion today has been designed in a way to bring you a mind-bending puzzle that gives your mind a complete and fun workout — and it is all about how fast you can spot the hidden number, ...

Autism is thought to affect about one of every 36 American children. New research has shown that it may be possible to diagnose the disorder in some kids with a relatively simple test that assesses ...