Optical Illusion: 6 intriguing optical illusions could improve your eyesight

Psychologists at the Universities of Glasgow found that staring at an optical illusion can improve visual acuity and allow you to see small print.

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[Sarcone, Gianni A., Waeber, Marie-Jo] on . *FREE* shipping on qualifying offers. Fantastic Optical Illusions: More Than 150 Deceptive

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