Also known as blue-ray light, blue light is a form of specific short-wavelength light. It is commonly emitted from various appliances that have screens. These include mobile devices, flat-screen TVs, and computer screens, among others.
The above-mentioned screens give off blue light that can be detrimental to your health. Excessive exposure to this light affects your eyes, causing strain and irritation. It can also lead to wateriness or dryness of your eyes.
In more serious circumstances, blue light can mess with your sleeping schedule because it affects your internal clock that controls when it is time to arise or sleep (circadian rhythm). So, since the devices are part of your everyday life, how do you deal with blue light?
As the name suggests, blue light blocking glasses are glasses that are manufactured to filter out blue light. They have special surface coatings or filtering materials on the lenses. These materials significantly reduce the blue light exposure to your eyes. According to manufacturers of these glasses, they can protect your retina from damage due to prolonged exposure to the light and reduce glare.
This is an important question that deserves a befitting response. The honest answer is: no. According to experts, most of the issues that you experience when you use devices with digital screens are not due to blue light.
Due to constantly shifting your focus and experiencing contrast and glare from your device, your eyes will undergo some discomfort. This is not necessarily due to blue light. Additionally, the American Academy of Ophthalmology insists that there is no valid reason to buy special eyewear for use on these devices. There is no scientific evidence showing that blue light blocking glasses work.
Since blue light cannot be exclusively and conclusively blamed for issues with your eyesight, experts suggest using other measures when using digital screen devices. They suggest:
Using Eye Drops – If you will be on a screen for prolonged periods, use eye drops to keep your eyes lubricated.
Using the 20-20-20 Method – According to this rule, you should look at an object that is 20 feet away after every 20 minutes for 20 seconds.
Distance from your Device – It advisable to sit about 25 inches or an arm’s length from your device. Sitting closer than this can result in eyestrain.
While some users of blue light blocking glasses may beg to differ, there is no scientific proof that they work. It is important to heed experts when it comes to such matters. You should go for regular eye checkups especially if you spend a lot of time in front of digital screens. A qualified ophthalmologist will give you the right diagnosis and solution for your eye issues.
To know more about blue light blocking, visit Kennedy Vision Health Center at our offices in Plymouth or Elk River, Minnesota. You can also call 763-296-2600 or 763-296-2700 to book an appointment today.