5 Reasons Blue Light is Bad For Us and What We Can Do About It
Cut down on screen time. Use the 20/20/20 rule. Every 20 mintues, look away from your screen and focus on an object at least 20 feet way for 20 seconds.
Take a break from blue light at night. Blue light can affect our bodies' release of the sleep hormone melatonin, so try to avoid your devices a few hours before bed.
Add a filter to your phone, tablet or computer to reduce the amount of blue litght emitted. Also, switch your deviced to night mode which lowers your screen's brightness. This can help ease digital eyestrain.
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Eye strain can cause all kinds of damage, including headaches, blurred vision, watery eyes and itching. Strain on the eyes can also cause physical and mental problems like difficulty concentrating and soreness throughout the neck and back. This can be true if you find yourself staring at a screen for long periods of time.
All types of bright light can damage your eyes, but blue light, especially consistent screen exposure, can wear down your retinas and can cause long lasting damage.
Over time, exposure to blue light can eventually cause sensitivity. If you already have sensitive eyes, looking into blue light for long periods of time can be just like staring at any bright light, which means that you are at risk for damage and sensitivity. Make sure you take small breaks in between long periods of staring at a television or computer.
Studies has shown that blue light disrupts our natural circadian rhythm. Circadian rhythm is what signals to our brain when to wake up or go to sleep. Just two hours of exposure to blue light during evening hours can slow or stop the release of the sleep hormone called melatonin, which is crucial for your sleep cycle.
Blue light can cause a variety of levels of fatigue, stress and headaches. It can be helpful to take breaks and take time away from the screen for this very reason. Investing in blue light glasses if you work on a computer for work or school and can’t reduce the strain on your eyes.