Optical illusions can be tricking your eyes but they are an engaging way to challenge your brain IQ and eyesight power. In today’s task, simply challenge your keen eye to spot the bear hiding in the forest hills in under 5 seconds. Optical illusions can be tricking your eyes but they are an engaging way to challenge your brain IQ and eyesight power. In today’s task, simply challenge your keen eye to spot the bear hiding in the forest hills in under 5 seconds. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle