There is a rise in the popularity of wearing blue light glasses. This type of eyeglasses claims that it can filter out blue light produced from computers, tablets and smartphones. There had been numerous advertisements about blue light glasses that say that blue light overexposure can cause several problems. To name a few of the issues that are usually linked to overexposure to blue light are dry eyes, disruption in the sleep cycle and macular degeneration (this typically cause for some people to lose their central vision).
What are Blue Light glasses?
Blue light glasses have started to get a fair amount of attention recently because unlike braces for
crooked teeth and some of the other unappealing ways we care for our bodies, blue light glasses are fashionable and cool.
Blue light glasses generally look just like standard prescription glasses, however with one big difference: the lenses are specifically designed to block out the blue light (or even UV light) from getting through to your eye. If you are fond of looking at a digital screen, particularly after dark, using these glasses can help to minimize exposure to the blue light waves.
What is blue light?
Blue light is the shortest luminous wavelength on the visible light spectrum, and it is almost everywhere. Sunlight produces blue light along with many other visible light wavelengths, and both energy-efficient and digital lighting also produce high amounts of blue light. There is no adverse effect when exposed to blue light at a minimal level. However, most of us are absorbing way too much blue light due to our daily access to digital screens and bright nighttime environments. According to the experts, blue light tends to disrupt your sleep and circadian rhythm.
Studies have found that the blue light actively interrupts the development of melatonin, a hormone that is a central regulator of circadian rhythms and is also essential for sleep. It also claims that blue light restricts melatonin more than twice as long as other visible wavelengths of light
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