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In the last decade, there's been a rising concern about the potentially harmful effects of blue light on health and well-being, especially in our digital age. Thankfully, blue light blocking glasses provide a solution to the issues caused by overexposure to blue light. However, choosing blue light glasses requires some understanding; the purpose of this article is to provide you with information to help you make the best possible selection while shopping for blue light filter glasses.
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Before we take a closer look at glasses that block blue light, let's first explain blue light and how too much of it can cause eye damage and negatively impact general health...
Blue light is a visible light (440 to 500 nm wavelength) at the short-wavelength side of the full visible light spectrum (380 to 760 nm). From fluorescent lights, televisions, and computer monitors to cell phones and other electronic devices using light emitting diode (LED) displays, these days we are constantly exposed to it, so minimizing exposure to blue light poses a major challenge.
The energy output of light on the visible light spectrum is inversely proportional to wavelength. Since blue light is among the shortest wavelengths, it has greater energy output, which further increases its potential impact on our health. The effects of high energy blue light on the retina depend on wavelength, intensity, exposure duration, time of day, and repetitiveness (cumulative effect); hence, it is important to take into account the overall output from these factors.
Potentially, environmental and genetic factors, concurrent diseases, pre-existing eye conditions, indoor lighting and properties of the digital screen (including glare amount and font size) play a role.
Blue light retinal injury (photochemically induced photo retinopathy) can develop when exposed either to an extremely bright light for a short duration (type II, short/sudden exposure) or to a less bright light for a longer duration (type I, chronic exposure) as per guidelines of the International Commission on Non-Ionizing Radiation Protection ICNIRP.
With prolonged exposure to blue light from electronic devices, we are more prone to health problems such as eyestrain, headaches, and fatigue. Blue light can also impede the production of melatonin, which disrupts our circadian rhythm and productive sleep; cellular phone, tablet and personal computer use before bedtime can delay sleep onset, degrade sleep quality and impair alertness the following day.
Considering the hazards on your health, minimizing exposure to blue light poses a major challenge to the present generation. As more reports and evidence come out about the potential health risks of blue light overexposure, blue light blocking glasses become increasingly popular.
Blue light blocking glasses have pigmented lens or coatings, which aid in filtering out blue light and its harmful effects. Generally amber or orange in color, these lenses work by reflecting blue light away from the iris of the eye so that it does not get absorbed in the retina where it can do damage.
Wearing blue light blocking glasses during the evening mimics natural darkness, which contributes to the production of melatonin – the hormone responsible for our sleep cycles.
The use of blue light blocking glasses has an overall positive impact on both physical and mental health:
You should keep in mind that not all blue light is bad. Our bodies need natural blue light to assist in the production of serotonin, which helps regulate our moods and other essential hormone producing functions. So don’t overdo it, two to three hours per day is more than enough.
A broad range of blue light blocking glasses with exclusive features and designs are available these days. The features you should keep in mind while shopping for blue light blocking glasses are:
While pricier than other models, Blueberry’s BLP (Blue Light Protection) lens technology, cutting-edge design, and durable construction make them outstanding for a broad range of needs.
The J+S Vision Blue Light Shield glasses offer you the best lenses as per our rating and offer solutions to the issue of blue light exposure along with durability and style.
Spectra 479 glasses are a bit more expensive than other glasses but their durability and quality seem worth the added cost.
The blue light blocking capabilities, comfortable customizable design and convenient price make the Uvex Skyper Blue Light Blocking Computer Glasses a safe buying bet.
BluBlocker Black Nylon sunglasses are a solid pick and best suited for outdoor protection from UV light while also blocking blue light.
Duco 302 Gaming glasses are one of the most customizable gaming glasses available at an affordable price and our top pick in the category of best gaming glasses.
While we have discussed blue light blocking glasses, there are some additional tips that you can consider for the general well-being of your eyes:
What are your thoughts about blue light blocking glasses? Leave your comments below!