20-20-20 Rule: Prevent Eye Strain When Using Digital Devices
What is the 20-20-20 Rule? The 20-20-20 rule is a simple yet effective guideline for reducing eye strain, particularly for individuals who spend extended periods of time staring at screens. The rule suggests taking a break every 20 minutes and looking at something 20 feet away for at least 20 seconds. This practice helps to…