20-20-20 Timer 20-20-20 Interval Timer Every minutes seconds look 20 feet away from your screen for seconds minutes Start stop pause skip_next Why use this tool? The 20-20-20 rule helps reduce Digital Eye strain and keep your eyes healthy. According to the American Academy of Ophthamology, humans normally blink 15 times per minute, but studies show that can be reduced to as little as 5 times in a minute when using digital devices. This reduced blinking can cause discomfort. Use this timer to ensure that...
Comments
Post a Comment