Optical Illusion: You have HD eyes if you can find the hidden panda in 5 seconds! ... Optical illusions are tricky pictures that play with your mind and test how well you can see details.

Optical Illusion: You Have HD Vision If You Can Find The Panda In 7 Seconds! Optical Illusions put our brains and eyes to the test. These puzzles are great for checking the observation skills and ...

They photographed details of the shorn edges and printed that on wallpaper. When installed, it creates a three-dimensional optical illusion that gives a flat surface depth.