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Blue light from electronics is linked to problems like blurry vision, eyestrain, dry eye, macular degeneration, and cataracts. Some people have sleep issues. Here’s what you...
Blue light boosts alertness, helps memory and brain function, and elevates mood. It regulates your body's natural wake and sleep cycle (circadian rhythm). Sunlight is also important for the growth and development of eyes and vision in children. Learn about conditions related to vision and eye health.
Blue light triggers your eyes to react, especially the lens, retina, and cornea. Some research shows a link between eye damage and short-wave blue light with wavelengths between 415 and 455 ...
The effect blue light has on your sleep and more. Although it is environmentally friendly, blue light can affect your sleep and potentially cause disease. Until the advent of artificial lighting, the sun was the major source of lighting, and people spent their evenings in (relative) darkness.
Most exposure to blue light is from the sun, but some health experts have raised questions about whether artificial blue light could be damaging your eyes.
Blue light has the shortest wavelengths detectable by the human eye. The sun produces blue light along with the other colors of the spectrum, and so we are exposed to it naturally. But exposure to intense amounts of blue light may be harmful to the eyes.
Blue light does affect the body’s circadian rhythm, our natural wake and sleep cycle. During the day, blue light wakes us up and stimulates us. But too much blue light exposure late at night from your phone, tablet or computer can make it harder to get to sleep.
You’ve heard of blue light, but what is it? Read about its benefits and risks, as well as whether blue-light-blocking glasses and night mode work to reduce your exposure.
These rays can also cause sunburned eyes — a condition called photokeratitis or snow blindness. In moderation, however, UV rays have beneficial effects — such as helping the body manufacture adequate amounts of vitamin D. Visible light and blue light.
Blue light is a wavelength of light often emitted by electronic devices and artificial lights. During the day, blue light influences your circadian rhythm, affecting alertness and heart rate. Limiting blue light at night can help mitigate its effects on sleep.