What is blue light?
Blue Light is a high-frequency light wave (between 380 and 500 nano meters). Blue light, unlike other light waves, has the capacity to penetrate through our eyes’ natural filters and deep into the back of the eye, creating a high-risk element to the macular part of the eye. The amount of blue light waves our eyes are exposed to today has increased exponentially due to LED lighting and our use of electronic screens.
Why is blue light bad?
Blue light exposure from electronic screens and LED lights, particularly at night, throws off our biological clock – our circadian rhythm. The most common result is poorer quality sleep and diminished clarity of thought. The effects however, do not stop there. Studies are now suggesting a correlation with blue light exposure and chronic diseases such as obesity, type 2 diabetes, and depression. Blue light has been linked to age-related macular degeneration; the leading cause of blindness in people over the age of 50. Digital Eyestrain Syndrome – blurry vision, difficulty focusing, dry and irritated eyes, headaches, neck and back pain – has also been linked to blue light exposure. Blue light is one of the main reasons people may feel eye discomfort and headaches when under artificial lighting or staring at an electronic screen.
Hours per day looking at screen
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