Is it bad to wear blue light glasses when not looking at a screen?

In 21st century after digital screen revolutions there are many people facing eye strain issue, and there are only simple way to get out from it is that “blue light glasses”, If you are working at home or playing games long hours you must required these blue light lens glasses which also called computer glasses in some part of USA.

Before jumping more in details and you might be wondering, "Is it really necessary to wear these glasses when I'm not glued to a screen?" Let's dig into that.

Blue Light 101 First off, let's talk about what blue light actually is one type of UV; It's part of the visible light spectrum, with UV wavelengths between about 380 and 500 nano meters and its really high then sun UV. While it occurs naturally in sunlight, we're exposed to a ton of artificial blue light comes thanks to our beloved digital devices and energy-efficient LED lighting.

The Blues of Too Much Blue Excessive exposure to blue light, particularly in the evening hours, can mess with your body's natural sleep-wake cycle and that’s bigger issues right now people faces lack of sleeping, eye burn, eye strain and more.

That's because blue light suppresses melatonin production, the hormone that helps you feel sleepy. Plus, staring at screens for hours on end can lead to digital eye strain, with symptoms like dry eyes, blurred vision, and headaches.

Blue Light Glasses

These special glasses which have lenses coated with a filter that blocks or reduces the amount of blue light reaching your eyes.

Wearing them during screen time can help minimize eye strain and fatigue, and using them a couple of hours before bedtime may improve your sleep quality by allowing your melatonin levels to rise properly.

But What About Off-Screen?

So, we've covered why blue light glasses are a solid idea when you're working, studying, or binge-watching on various devices. But what if you're just hanging out, not looking at any screens? Is it still cool to keep those glasses on?

The short answer is: it's probably not going to do any harm, but it may not be super beneficial either. Without significant blue light exposure, the glasses aren't really doing their job of filtering out those problematic wavelengths. However, some folks find that wearing them indoors can help reduce exposure to blue light from LED bulbs and the like.

One potential downside of always wearing blue light glasses is that you could miss out on some beneficial blue light exposure during the day. A moderate amount of blue light is thought to boost alertness, cognitive function, and your body's natural circadian rhythms.

The Bottom Line At the end of the day (pun intended), it's really about finding a balance. Wear your blue light glasses during extended screen sessions and in the evening to protect your eyes and promote better sleep. But don't be afraid to take them off when you're not exposed to significant artificial blue light sources.

If you're really digging the look or just want to be extra cautious, it's unlikely that wearing blue light glasses all the time will cause any major issues. Just be mindful of getting some natural blue light exposure earlier in the day to keep your body's internal clock on track.


Q: I work night shifts. Should I wear blue light glasses during my shift?

 A: In this case, wearing blue light glasses could actually be beneficial, especially if you're exposed to a lot of artificial lighting during your shift. The glasses can help reduce the blue light exposure that could throw off your circadian rhythms and make it harder to sleep during daylight hours. Just be sure to take them off when you're out in natural daylight to allow some blue light exposure and keep your body clock in sync.