Eyesight Checking app for iPhone and iPad

How clearly you can see? Can you see farther than other people? Do you have the best eyesight in the world? Most people can only get the point not over 5.3(2.0). But I know you can do it better and see tiny things what other people cant see. This apps can test the eyesight at the range of 1/50 to 50 times of normal people.

Also, for some career, like doctor, he/she couldnt be a color blind. He/she should has a good color distinguish. This apps can test the color distinguish ability. I dont think theres anyone who can distinguish so much color and get the full point over 12000. You can take a challenge .

This apps test your eyesight and color distinguish ability. Also , give you a advice to improve you eyesight if you are near-sighted.