The Ra Optics Blog
How Blue Light Harms Your Sleep
In today's world, our screen devices have become an essential part of our daily routine. We use them to work, communicate, and entertain ourselves. However, the constant exposure to blue light emitted from these screens is a significant concern for our health. Blue light can be beneficial during the day, as it helps us stay alert and awake. However, exposure to blue light at night significantly harms our sleep quality and overall health.
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Why clear lenses don’t improve your sleep
Which lenses are the best at blocking blue light? How can you tell how much they block? Do clear lenses help you get better sleep? Read which blue light glass lenses really work and when to wear them.
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How melatonin keeps you young & healthy
The production of melatonin is regulated by a part of the brain called the suprachiasmatic nucleus (SCN). The SCN receives signals from the eyes about the presence or absence of light and uses this information to regulate the production of melatonin by the pineal gland. Meaning the presence of light at night will inhibit the production of melatonin as the light entering the eyes will give the body the signal it is daytime — which is generally not a time to rest and repair.
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