Are Blue Light-Blocking Glasses Worth It?
What is blue light? What is the effect of blue light on our eyes? Does wearing blue light-blocking glasses help? These are some of the frequently asked questions on this hot topic of discussion. We hope, therefore, that this article will shed some light, if you’ll excuse the pun, on the importance of blue light-blocking glasses.
In this digital world, many people spend a high percentage of their time in front of digital screens. Hence, the eyes are exposed to blue light, causing several eye problems. Let us read further to know all about blue light and blue light-blocking glasses.
What is blue light?
Sunlight or white light is a spectrum of seven coloured lights, including coloured lights like red, orange, yellow, green, blue, indigo, and violet, each having a different wavelength.
Not all colours of light have the same effect on our eyes.
Blue light is part of this visible light spectrum with a short wavelength and high energy. The higher the energy of light, the more harmful it is for you.
Blue light is emitted from various sources, the sun being the largest source. There are man-made sources like computers, mobiles, tablets, and laptops from which blue light rays are emitted. These digital devices emit only a fraction amount of blue light as compared to the sun. But given that people spend most of their time in front of computer screens, using mobiles and tablets, blue light can have a potential effect on the eyes in the long run.
Effect of blue lights on our eyes?
Blue light has a very short wavelength and can penetrate our eyes easily. All the visible blue light can pass to the retina through the cornea and lens. Research is at an early stage, but evidence suggests intensive exposure to blue light can cause significant damage to the eyes from dry eyes through to macular degeneration. .
Is blue light all bad? Not at all! Blue light during daylight hours has been linked with boosting alertness, helping our memory and improving attention spans. It also helps regulate our circadian rhythm or sleep-wake cycle.
It is overexposure to blue light – especially at night – that makes things trickier. Some experts have suggested that too much exposure to blue light can damage the light-sensitive retinal cells. Thus, blue light emitted from digital screens can damage our eyes. Hence, we should take necessary precautions to protect our eyes.
Does wearing blue light glasses help?
We have often heard the phrase “precaution is better than cure”, and it rightly applies here.
While wearing glasses as a fashion accessory or vision correction, why not have them as blue-light-blocking glasses that will protect the eyes from blue light? With other protective coatings that will keep the eyes safe, having a blue light coating will be a bonus.
The blue light filter glasses that have blue light technology infused in the monomer of the lens significantly reduce the amount of blue light entering our eyes. Blue light glasses also contribute to improving the sleep cycle and reducing eye strain.
Wearing blue light glasses helps in:
- Improve visual performance
- Improve sleep quality
- Reduces eye strain
- Protect eyes from dryness
- Conserve macular health
The importance of blue light-blocking glasses is very clear, but the quality does vary. Do ensure you purchase your special glasses from a company that is using the most advanced technology to keep your eyes and your eye health safe. And while you are looking at new lenses, don’t forget to upgrade your glasses frames too!
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