Are these dots blue or purple? Bizarre optical illusion will make you question your perception of colour - Mirror Online

#xa; The optical illusion involves a series of 1,000 dots ranging from very blue to very purple

Are these dots blue or purple? Bizarre optical illusion will make

Optical Illusions The Blue Dot Effect

How Information Graphics Reveal Your Brain's Blind Spots — ProPublica

How many colours do YOU see? Strange optical illusion divides the

50 Optical Illusions That Will Blow Your Mind - Parade

This optical illusion will make you question your eyesight

Optical Illusions - FasterCapital

Photos of Mind-Boggling Optical Illusions and How They Work

25 Optical Illusions That Prove Your Brain Sucks

20 of the best optical illusions, from the Troxler's fading

Mind-boggling optical illusion will make the circles vanish before

What are some examples of optical illusions that involve