“You’ll get less blue light from your TV than from your computer because it’s farther away,” Dr. Proximity is, of course, a factor when thinking about the danger. “Blue light damages the retina and reduces your excretion of melatonin, so it interrupts your sleep cycle,” said Michelle Henry, a dermatologist in New York.
#Night shift for mac 2010 skin
Though the effects of blue light on the skin are yet to be fully understood, the light is an important health concern because of other risks. That’s because your indoor light sources are emitting varying wavelengths that combine to create the colors you perceive. You may perceive it as a cool-toned white light (as with an LED light bulb), or you may not be aware of much blue at all. When we think about the harmful effects of light, we’re usually thinking ultraviolet light (UV), which is invisible. Here, we’ve checked in with some blue light and skin experts to help us understand the real risks. It can cause hyperpigmentation and premature aging, but the rest - what dose of it causes trouble, for instance - was debated well before we were confined to our homes.
Here’s what we know: Compared with the well-understood dangers of ultraviolet light (skin aging and cancer), science isn’t settled on the effects of indoor sources of blue light on skin. And now that we’re tethered to those devices, are we getting drenched? Should we be more worried about damage to our skin?
Our laptops, phones, tablets, TVs and even LED light bulbs are all sources of blue light. You’ve probably heard more about the perils of blue light lately because our lives are more likely to be lived indoors and online.
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