New Delhi, May 9 -- Optical illusions make our brains work harder, and they can also reveal hidden parts of our personality. An optical illusion is a visual trick where the brain gets confused by what the eyes are seeing.

This happens when the eyes send information that doesn't match how the brain expects to understand it. Optical illusions are pictures or patterns that play tricks on the mind, making us see things that aren't really there or making real objects appear different. For instance, a still image might seem like it's moving, or two shapes may look like they're different sizes even though they are exactly the same.What do you see first in this picture? Look closely and focus. What you notice first may reveal how you deal with l...