Optical illusions are visual puzzles that are designed in such a way that they can cause the brain to interpret what it sees differently from physical reality. These illusions don't mean that there is ...

Optical illusion puzzles have been fascinating and an engaging activity that have captured the interest of people for centuries. These puzzles are famous because they reveal how the brain processes ...

India, Jan. 20 -- This challenging problem is presented as an optical illusion to test how well and how quickly your eyes can identify different numbers, as well as crucial variations in patterns.