Comment se protéger contre la lumière bleue des écrans

SOS health: How to protect against blue light from screens and reduce their effect?

According to DataWrapper, the average screen time per day in France is 5 hours and 34 minutes and in Canada – 6 hours and 45 minutes. To compare, we will mention that the time recommended by scientists to maintain your body in good health is 2 hours. This means that most people exceed this time, for work or entertainment reasons. In the second case, you can simply decrease the time spent on the phone or on the computer, but what if your work is related to this? You will find the answer below. In other words, here’s how to protect yourself against blue light!

What is blue light?

Blue light is a color in the visible light spectrum. It means you can see it. But in fact, the most worrying thing is that it is a short wavelength, which means that it produces a greater amount of energy.

Unlike other forms of light, the eyes cannot effectively filter out blue light, allowing more of it to reach the retina.

You may now ask yourself, “What are the sources of blue light?” “. Check them out in the picture above – it’s all kinds of screens, fluorescent and LED lights. The only natural source is the sun, which can have a positive impact on the body, compared to artificial sources.

How to protect against blue light from screens

What is the effect of blue light on the body?

Scientists have found that people over 50 are particularly vulnerable, as they may lose the ability to see the center of their field of vision clearly. But regardless of your age, if you spend a lot of time in front of screens, you have certainly noticed that your eyes are drier, leading to eye pain or irritation, fatigue and headaches.

If you have trouble sleeping, the most likely reason is that you spend too much time in front of the TV, phone, or computer. Indeed, it is because of the blue light which affects the synthesis of melatonin in the body.

When blue light disrupts your sleep cycles, it has other consequences: high risk of hormonal problems, lower levels of liptin (responsible for feeling full after meals), changes in metabolism (including blood sugar).

Blue light can also have a negative impact on the skin, leading to dehydration, redness and pigmentation. Research shows that electronic devices can speed up the aging process, and even an hour of exposure can trigger these changes.

How to protect the eyes against blue light

What solution to protect yourself from screens?

Screen options

First, check your screen settings. Choose night mode or eye protection mode which decreases blue light emission levels.

20/20/20 Strategy

As you work, remember to stop every 20 minutes to focus for 20 seconds on an object 20 feet away from you (6 meters).

Hydrate the eyes

Use artificial tears or air humidifiers to keep your eyes healthy.

Blue light blocking glasses

Always wear prescription glasses to correct your vision and protect your eyes from the negative effect of blue light.

Cosmetic products

You can use sunscreen to protect your skin from blue light. But there are now products that contain ingredients that block exactly this part of the light spectrum.

Topical antioxidants

Blue light induces oxidative stress in the skin. This is why it is important to neutralize it. You can do this by using serums that contain vitamin C, ferulic acid, and phloretin.

Wear a BB cream

BB creams contain a light-reflecting pigment that reduces the effects of blue light by 80%. Putting on makeup at the office isn’t so bad after all.

how much time do you spend on your phone and computer

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