Eye Exercises
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UV/Blue Light Effects on Eyes
"In fact, the body naturally has some mechanisms to protect itself against UV damage—generally speaking the sun is good for us. It’s when we accumulate too much UV exposure overtime, overworking the protective system, that UV light becomes dangerous.
"The body naturally breaks down UV light into non-harmful particles in a physiological process called oxidation.
"However, when the system has too much exposure to UV light, it can no longer keep up with the oxidative process and harmful particles called free radicals begin to build up in human cells, causing irreversible damage.
"A damaged cell here and there may not be problematic, but as more and more cells become damaged and more and more free radicals build up within the body, serious biological changes, like cancer, can occur."
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" - - - blue light can suppress our natural melatonin production, making it hard to sleep if there is increased screen exposure at night. So while the glasses will not protect you from long-term retina damage, and may not safeguard against eye strain, they can be a useful tool for screen use in the evenings." (link)
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