Many people know the main benefits of wearing Anti Blue-light lenses, such as reducing eye restrain and better sleep; however, many people have been asking us the reasons why they are helpful, and what blue light really is. In this blog we will explain to you everything you should know about Blue Light.
What is Blue Light?
When we see visible light, we are seeing a range of colors mixed together; from blue to red. Blue light is on the lowest side of the visible spectrum, has the shortest wavelengths, and therefore has the highest energy. Red light, on the other hand, is on the highest side of the visible spectrum, with longer wavelengths and less energy.
Benefits of Blue Light
Blue light exposure is not entirely bad for you. The biggest source of blue light is the sun, and some exposure is vital for good health. Natural blue light is present in sun rays during the day (which is why we see the sky blue), and the lack of blue light in the evening is why sunsets appear red. Because of this, blue light regulates our sleep/wake cycle or our internal clock, and is responsible for increased energy and wakefulness (no, your coffee is not the only reason). The lack of blue light at night allows our body to naturally produce melatonin, to prepare our bodies to go to sleep.
So, why do we need to use Anti-Blue light glasses? Even though Natural Blue Light has positive effects on our bodies, we are overexposing ourselves with artificial blue light in today’s digital world. We are constantly in our computers, mobile phones, tablets, watching TV, and surrounded by LED lights, beaming Blue Light at us. Too much blue light after the sun goes down can disrupt our sleep cycle, making it harder to get a good night’s sleep and causing daytime fatigue.
In addition, our eyes are not very good at blocking blue light because of its short wavelength, and it therefore passes through the cornea and directly reaches the retina. This is the reason why your eyes feel tired when you’re working in a computer all day, or get headaches from sitting in front of a screen for long periods of time. This also means that overexposure to blue light can lead to retina damage, causing vision problems and age-related degeneration.
The easiest way to avoid these damages, is to wear anti-blue light glasses when you’re in front of a screen for a long period of time, and at night. Luckily, we have our own Biscayners anti-blue light glasses to help you out! Take a look at our unisex and ultra lightweight, Blue Key glasses, available in three colors, and engineered to protect your eyes and designed to look great.