Optical Illusions

Crooked lines illusion

There are some age old optical illusions that are especially effective as computer images because of the bright contrasts displayable on screen. Take a look at some that I've collected and/or re-drawn.

Black Dots

How many black dots can you count? Look carefully!

Black Dots illusion

Crooked Lines

These horizontal red lines are nice and straight, right?

Crooked Lines illusion

Moving Vortex

Move your head towards & away from the screen while staring at the dot.

Moving Vortex illusion

Checker Shadow

Would you believe that the squares marked A and B are exactly the same shade?

Checker Shadow illusion

Sponsored Links