At Visualites our computer glasses block approximately 55% of the 400-440nm range of Blue Light. Blocking all Blue Light leads to problems waking, problems with reason and decision making, and problems with alertness. This is achieved by applying to blue light coating to the glasses, the slight yellow tint is designed to filter these blue light rays.
Access to blue light upwards of 475 nanometers is essential for eye health and exposure in the upper range helps with production of melatonin.
Computer screens, iPads an mobile phones emit HEV light (high-energy visible light), a high-energy, high-frequency light in the blue band of the visible spectrum.
Between Facebook, Instagram, work and Apple TV most people spend approximately 10 hours a day exposed to harmful blue light while consuming digital media.
Blue light affects your sleep in two ways, one it surpasses the bodies production of melatonin the natural chemical that makes you feel tired. A study by the University of Toronto has found that people who wear blue light blocking glasses produced more melatonin than those who do not. This is going to be especially important to you if you wear reading glasses at night to read before you go to sleep. Blue light also increases alpha brainwaves which boost alertness and suppress delta brainwaves which induce sleep.
Laboratory studies have also shown that too much exposure to blue light can damage light-sensitive cells in the retina. Blue light penetrates all the way to the retina, this causes changes that resemble those of macular degeneration, which can lead to permanent vision loss.
These are just a few of the reasons to wear Blue Light Blocking reading glasses. We have created a brand new model of our Visualites 8 lightweight rimless reading glasses as computer glasses by adding lenses that block some of the blue light that your eyes are absorbing.
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