How blue light from electronic devices can cause blindness?

If you use electronic devices for longer periods, you need to know they emit blue light that can cause blindness.

Blue light is part of the light spectrum that has a short wavelength and produces a high amount of energy. It is emitted from artificial (electronic devices/digital screen) and natural sources (sun). However, exposing to the maximum amount of light from devices is smaller than the amount of exposure from the sun. And yet there is concern over the long-term effects of screen exposure due to the proximity of the screens and the time spent on looking at the screen. So, exposing to a lot of blue light from electronic devices can cause macular degeneration.

Macular degeneration is a vision problem caused by the worsening of the retina’s central portion. Macula (retina’s central portion) is responsible for focusing central vision in the eyes. This means it controls your ability to read, recognize, see and drive. When you spend a lot of time in front of electronic devices, emitted hazardous light from them passes through your cornea and lens, reaches your retina and deteriorate your macula’s cells. This is why you experience blurred vision. Continued exposure to these harmful rays over time can lead to damaged retinal cells that can cause AMD (Age-Macular Degeneration), which can lead to permanent vision loss.

How to protect the eyes from blue light?

Constant exposure to blue light from electronic devices is risky for human eyes. There are a few ways to reduce its exposure while using electronic devices:

• A pair of blue light blocking glasses is one of the most popular ways of protecting eyes from blue light. When you wear them, they will help keep your eyes relaxed during screen time by blocking the harmful lights emitted from devices and reducing glare.
• Reducing screen time is another way of reducing exposure to blue light. Also, you can take a regular break during working on screens to give your eyes a rest.
• Screen filters are available for all type of screens and devices. They are designed to decrease the amount of blue light emitted from the devices. When you install screen filters in your systems, it will protect your eyes from the harmful effects of blue light.

Hope, you have understood now what does blue light do, how this light from electronic devices cause blindness and how to prevent it. Buy blue blockers and prevent your eyes from blue light while working on your laptop, tablet, or while using your smartphone.

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Created on Aug 14th 2019 00:34. Viewed 372 times.

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