Blue LED lights harm your eyes, sleep risks?

This is an automatically translated article.

The article was professionally consulted by an eye doctor - Department of Examination & Internal Medicine - Vinmec Hai Phong International General Hospital

1. How does blue light harm your eyes and sleep?

Not all types of blue light are bad, for example sunlight is the main source of blue light, and so being outdoors during the day means huge exposure. with blue light, but humans are not harmed by this blue light source.
Today's world is increasingly dependent on electronic devices or light-emitting devices such as smartphones, tablets, laptops, LED lights, fluorescent bulbs,...

They are technological devices with display screens or light sources that emit large amounts of blue light, and it is this blue light source that will cause harm to people in the long run. In fact, harmful blue or blue-violet light can damage the retinal cells located deep in the eye. Plus, studies have shown harmful blue light is a risk factor for the onset of age-related macular degeneration, a progressive condition that causes gradual loss of vision.
Blue light also disrupts human circadian rhythms, the natural sleep-wake cycle. During the day blue light helps the body to wake up and start up naturally, so if you are exposed to too much blue light at night (something people are doing more and more now through the act of using blue light). use of electronic screens and light-emitting devices) will interfere with circadian rhythms, sleep will be more difficult to achieve, and overall sleep itself will not be of the same quality as normal sleep.

2. How to protect eyes and sleep against the harmful effects of blue light?

There are certain methods that can help protect eyes and sleep from the harmful effects of blue light such as:
Use glasses that filter harmful blue light. Use electronic devices sensibly, do not look at the screen for too long, in between the use are periods of rest and relaxation for the eyes. Artificial tears can be used to address dry eyes. Minimize the use of electronic devices or excessive exposure to light sources in the evening, especially before going to bed. Concentrating for too long or overexposure to bad sources of blue light (such as LEDs, electronic screens, etc.) often leads to eye strain, blurred vision and headaches, but it comes with It can be both eye damage and sleep disturbance. So knowing the risk factors as well as how to protect your eyes and sleep against blue light is extremely important

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Articles refer to sources: mayoclinic.org and webmd.com