An optical illusion is a visual phenomenon where the brain perceives an image differently from reality. It occurs when the information sent from the eyes to the brain is misinterpreted, leading to a ...

If you think you have sharp eyesight and perfect colour vision, this challenge is just for you! Optical illusions and vision tests are fun ways to check how well your eyes perceive colours and numbers ...

In a new study led by Children's Hospital of Philadelphia (CHOP), researchers found that novel eye-tracking metrics can help properly identify concussion-related vision disorders, a common phenomenon ...