Eye Timer - Mac app to Take breaks and Protect your eyes, 20-20-20 Rule
EYE TIMER - TAKE BREAKS APP FOR MAC
Working without breaks in front of the computer screen is not good for your health. Eye Timer will prevent you from looking at the screen for too long
20-20-20 RULE
Eye Timer will help you to follow the 20-20-20 rule for preventing eye strain: "Every 20 minutes take 20 seconds to look at something 20 feet (6 meters) away"