THIS optical illusion will make you question what's right in front of you.
Shared by UK-based company Lenstore, this mind boggler is designed to trick you into seeing colour when there isn't any.
After staring at a parrot's eye for 15 seconds, the image will turn black and white but our eyes will see different.
A trick of the eye makes it appear as though the blue parts of the image are pink, and the pink parts of the image are blue.
That's because the optical illusion is an example of a negative afterimage, which causes the colour you see to be inverted or reversed from the original.
An afterimage is a sort of optical illusion where the images keep appearing even after exposure to the original image has ended.
You have probably experienced this before if you’ve looked at something for a prolonged time, and you are still able to see it even after reverting your gaze somewhere else.
There are two main types of afterimage: positive and negative.
Positive afterimages are when the same colour as what you were originally looking at is still seen, even after the stimulus is gone – this may be due to the light going out or because you have closed your eyes.
You are still able to see the image in its original colours because some cells on the retina continue to send signals to the brain for a while after they have been stimulated.
In a negative afterimage, the colour you see may be inverted or reversed from the original picture. Just like the parrot seen above.
You are able to see an image with colours that are the reverse of how the image originally appeared. This is because the rods and cones, which are part of the retina, get overstimulated and become desensitised.
So what colours did you see?
If you enjoyed being baffled by this optical illusion, then take a look at Richard Russell’s “Illusion of Sex” - designed to reveal how people view genders.
Or if you prefer animals, see how many animals you can spot in this illusion.
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