For the Visual Perception test, in fact, there are many ways, but practising optical illusions in a daily routine improves ...

Optical illusions to find the hidden objects and numbers are effective at revealing your brainpower and visual IQ. How sharp ...

An optical Illusion is a visual trick where our eyes and brain perceive different images from reality. These illusions are a type of visual puzzle in which these puzzles creates a misleading effect on ...

A new test called "Is my blue your blue?" reveals how different -- or similar -- your color perceptions are compared to everyone else. First there was “ the dress,” then there was the sneakers, now ...