Did you know that most blue light comes from the sun? The amount of blue light emitted from LED light in digital devices is small compared to the amount with sun exposure.
There are so many benefits to blue light including: boosts alertness, helps memory and cognitive function as well as elevate mood. It also regulates circadian rhythm (the body’s natural sleep cycle). Most importantly, children need exposure to sunlight for the growth and development of their eyes and vision.
With screen time at a rise, our eyes are being exposed to more blue light. These are reasons we DO recommend a special lens design to reduce blue light exposure:
- Afternoon headaches or digital eyestrain from excessive screen use. Symptoms may include fatigue, soreness or irritated eyes… even difficulty focusing. In this scenario we recommend reducing screen time and also following the 20-20-20 rule to rest your eyes. Every 20 minutes, gaze 20 feet away for 20 seconds. Screen filters on smart phones or tablets can help reduce the amount of blue light emitted from screens as well.
- Difficulty falling asleep. Blue light helps to regulate the melatonin released in our bodies that help us to fall asleep. The sun light encourages our bodies to wake. So if we are exposed to blue light too late in the evening, melatonin will not be released and therefore difficult to initiate the sleep cycle.
- Dry Eyes. The additional blue light may transform our habits into blinking less. The focus on digital screens may increase the risk for dry eyes.
There have been no studies proving damage to the retina from digital device use, but some studies suggest that continued exposure over time could lead to damaged retinal cells.
If you are experiencing any of these, schedule an appointment to determine the best solution and lens design to relieve your symptoms. A personalized recommendation can be made with our doctor and Glimpse expert team.