Hot search first!Will this film hurt the eyes?Many people don't know yet

On the roadside seats, on the subway, on the bus ... people are used to looking down at mobile phones.

In the above scenarios, sometimes you can accidentally see the screen of other people's mobile phones, and even the content on the screen can be seen clearly, which can't help people worry that their privacy will be leaked.

Therefore, the "anti -peeping membrane" happened. However, many people think that the anti -peeping membrane on the mobile phone will hurt the eyes.

Recently, the entry of the anti -peeping membrane also rushed to the hot search on Weibo, causing the attention of many netizens.

Weibo screenshot

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Will the anti -spy membrane hurt your eyes? What is its production principle? Let's take a look at science.

What is the principle of anti -peeping membrane?

Anti -peeping membrane, as the name suggests, is a film that prevent others from peeping. It is a cold -mounted steel film on mobile phones, PAD, and computer screens. It looks the same as many tempered films.

However, the mobile phone screen with anti -peeping membrane can only be seen on the front of the user. Others cannot see the mobile phone screen from other perspectives, and even the black screen can be seen. To protect personal privacy.

So, what is the principle of anti -peeping membrane?

The optical principle of the anti -peeping membrane is because it adopts the ultra -finest paste window structure, which can limit the divergence angle of light emitted by the screen. From the angle of light control, the light cannot be used to turn the wide viewing angle of the screen into a narrow perspective angle through the film through some specific angles. , Achieve the purpose of anti -peeping.

Anti -peeping membrane hurts the eyes?

Although the anti -peeping membrane is installed to prevent others from seeing the information and materials in the mobile phone screen, the use of the anti -peeping membrane will cause the brightness and contrast of the mobile phone screen to varying degrees. Essence

How to buy anti -spy membrane?

The purchase of anti -peeping membranes is recommended to use large brands and regular manufacturers.

Generally, anti -peeping membrane is affixed. It is recommended not to use mobile phones for a long time. Do not face the screen for a long time, thereby alleviating eye discomfort and visual fatigue.

Daily eye protection tips

1. Although the electronic products are inseparable from the life, we must use it to use it. Generally, after 40 minutes of electronic products, it is recommended to rest for 15 minutes;

2. You can do eye exercises and relax your eyes;

3. When the eyes are dry, you can use artificial tear liquid without preservatives. If it cannot be relieved, you need to go to the hospital's ophthalmology to perform dry eye -related examination and symptomatic treatment;

4. Regular ophthalmology examination of vision, correction of vision, eye pressure, fissure lights and bottom examination;

5. It is best to perform outdoor activities for more than 2 hours a day;

6. Friends with myopia and astigmatism must conduct medical optometry correction under the guidance of ophthalmologists;

7, balanced diet, maintain good sleep.

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