The image below is known as Ninio’s Extinction Illusion. It reveals a lot about the way our eyes work…
While most people agree that there are twelve black dots in this grey grid, not many people can actually see all of those black dots at once.
That’s because our eyes block out certain things due to the light reflectors in our retinas.
How many of the twelve black dots are you actually able to look at at the same time? Sound off in the comments section!
H/T: Boredom Therapy