Optical illusions challenging to find hidden animals are a popular type of visual test. These are not just fun challenges but also a real-time test to gauge your visual perception, attention to detail ...

This optical illusion will test your brain's ability to zone out while looking at repetitive patterns. Can you find the ...

The reflexes of the eye are automatic adjustments your eyes make to help you see and keep them from being damaged. They can respond to light and dark, adjusting how much light enters the retina.

When it came to a visual recognition test, people's guesses were more accurate than answers they felt confident about—even though they consciously forgot an image ...