Optical illusions are a fascinating method of illustrating our perception and challenging our notion of reality. These clever puzzles engage us not only for enjoyment but also to refine observation skills, an ideal exercise for kids and adults as well. Optical illusions are a fascinating method of illustrating our perception and challenging our notion of reality. These clever puzzles engage us not only for enjoyment but also to refine observation skills, an ideal exercise for kids and adults as well. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle