Most people have seen an optical illusion at some point in their lives. There are tons of optical illusions out there; but have you ever wondered what makes them optical illusions? How do they work? How can you see something you know doesn’t exist?

An optical illusion is any image that fools the observer’s eye and the brain. It causes someone to perceive something that it’s not actually there.

Optical illusion occurs to everyone with the ability to see.
They can make the eye to send false image to the brain. What the brain sees differs from what the eye is seeing.

The concept of optical illusion was first used by the Greeks. They built their temples so that the roof was slanted. This gave the illusion that the temple was actually standing straight. The scientific study of illusions dates back to the beginning of the nineteenth century when scientists got interested in perception. Since then there has been enduring interest, and illusions have been used as tools in......

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Title: Optical Illusions
Approximate Word Count: 314
Approximate Pages: 2 (250 words per double-spaced page)

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