Schulz-Hildebrandt, a biomedical optics engineer at Harvard Medical School, ran with his observation and developed an ...

A new optical illusion excellently illustrates just how finicky our eyes are when it comes to perceiving colors.

Before jumping on in we have one question on our minds: what is an optical illusion? Optical illusions are visuals that tend to be deceptive to the eye and brain. This is based on numerous factors ...

Add Yahoo as a preferred source to see more of our stories on Google. Coca-Cola optical illusion that appears to show a red Coca-Cola can on a striped background. There are some optical illusions that ...

How many purple dots do you see in the image above? Are they all the same hue? This new optical illusion, developed by ...

A biomedical optics engineer discovered a visual illusion where purple dots appear bluer in peripheral vision. This ...

This mind-boggling optical illusion may baffle you, even after you learn that you didn’t see what you thought you did. Experimental psychologist Akiyoshi Kitaoka often amuses her Twitter followers by ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images ...

This mind-bending optical illusion has left people baffled — with viewers not knowing if the circles or arrows are moving. The image, created by Japanese Twitter user Jagarikin, has left thousands ...

Most people use the terms “optical illusion” and “visual illusion” interchangeably. “That’s a pet peeve of mine,” says Pascal Wallisch, a neuroscientist and psychology professor at New York University ...

Optical illusions are visual images designed to test how accurately we observe details. Today we have a challenge for you that will make you look twice. In the image below, you will see a parade scene ...