Simple Windows app to follow the 20-20-20 rule for eyes
It shows a notification on screen, that once acknowledged will instruct you to look away from the screen for a certain period of time. After that time it will ring a bell to let you know that you can look back.
Default values are 20 minutes for screen time and 20 seconds for rest time.
Values for time and sound can be configured in config.json.
It is recommended to run it at startup by adding it to you Startup folder (you can do Win+r and execute shell:startup to open that folder).