This mind-boggling challenge can make your eyes go dizzy for a while but it is an engaging activity to prove if you have a sharp eyesight with a high IQ level. But, remember that you have a sharp time frame of 20 seconds. This mind-boggling challenge can make your eyes go dizzy for a while but it is an engaging activity to prove if you have a sharp eyesight with a high IQ level. But, remember that you have a sharp time frame of 20 seconds. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle