Challenge your eyesight with an optical illusion, where the hidden number 96 must be found among numerous 69s within 7 seconds. This visual puzzle not only tests your sharpness but also enhances cognitive function, memory, and problem-solving skills while reducing stress. Challenge your eyesight with an optical illusion, where the hidden number 96 must be found among numerous 69s within 7 seconds. This visual puzzle not only tests your sharpness but also enhances cognitive function, memory, and problem-solving skills while reducing stress. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle