Optical illusion: Only those with 20/20 vision can find the seventh person in 7 seconds

Optical illusions have long intrigued humans by misleading our vision system into believing something that doesn’t exist or is not the real thing. Ancient people believed that supernatural powers, magic, or spirits caused these illusions. But when science advanced, scientists found out that these visual illusions are caused by the way our brains capture and interpret images. Optical illusions have long intrigued humans by misleading our vision system into believing something that doesn’t exist or is not the real thing. Ancient people believed that supernatural powers, magic, or spirits caused these illusions. But when science advanced, scientists found out that these visual illusions are caused by the way our brains capture and interpret images.  Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle