Train your concentration and reaction with Dr. Tool® Optic Edition 2!The available tasks are especially suited to train your eyes and your brain, like for example finding a color as quick as possible, selecting the smallest digit on screen or marking the center line of a given pattern.How about a classic game of shells - are you able to find the coin? Dr. Tool Optic Edition 2 offers adjustable difficulty levels for any task in order to determine your own pace.When you have had enough of training you can take a challenge and unlock a funny game of relaxion.