Optical illusion photos challenge the human eye by hiding images in plain sight to test concentration and attention span. In the task, participants must find four deer hidden among rocks within ten seconds. Those with sharp eyes will spot the deer quickly, while others can check the solution afterward. Optical illusion photos challenge the human eye by hiding images in plain sight to test concentration and attention span. In the task, participants must find four deer hidden among rocks within ten seconds. Those with sharp eyes will spot the deer quickly, while others can check the solution afterward. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle
