This application will remind the users who overuse their smartphones to follow the 20-20-20 rule. What is 20-20-20 Rule? If you find yourself gazing at screens all day, your eye doctor may have mentioned this rule to you. Basically, every 20 minutes spent using a screen, you should try to look away at something that is 20 feet away from you for a total of 20 seconds.This rule helps prevent our eyes from straining. This application will remind you every 20 minutes to look away from the screen and blink your eyes.You can also set notification interval. Features : *Blink notification reminder *Real Time Blink exercise(Beta) *A simple notification