An Optical Illusion is a type of visual illusion puzzle which is used for fun and challenge. These types of illusions often ...

Test your focus with this viral optical illusion! Can you find the number 87 hidden among the 78s? Boost your brain power with this 7-second visual challenge now!

Test your observation skills with this nature-themed optical illusion challenge. Spot all hidden tortoises camouflaged in ...

This type of illusion is called the The Troxler Effect, and was developed by physician Ignaz Paul Vital Troxler in 1804. It reveals that everything exists in reality, although our perception makes ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Martin Doherty / Radoslaw Wincza We love a good optical illusion here at Creative Bloq.

The famous Ebbinghaus illusion, named for its discoverer, the German psychologist Hermann Ebbinghaus (1850–1909). Despite appearances, the two orange circles are the same size. Have you ever looked at ...

The study of visual illusions in animals provides a compelling window into both the evolutionary continuity and diversity of perceptual processes. Research indicates that many species, from domestic ...