There are disadvantages of mobile phone film: Some people stare at the phone screen in a long time, especially using the mobile phone with film in the outdoor, the eyes can experience these symptoms, such as tingling, tears and photophobia, which is related to the visual fatigue due to looking on the phone for a long time. Besides, it may have something to do with the mobile phone film have certain relationship. " Li Li, the director of ophthalmology in the Liberation Army No.254 hospital, explained that the protective film is easy to make the light of mobile phone screen refract, staring at the phone in a long time will cause visual fatigue, especially in the outdoors. And the lighting on the screen is inadequate, which will be more difficult to clearly see the font, so the ciliary muscle is often in a state of tension. The convexity of the lens is always larger which will be easy to cause the visual fatigue because of the excessive regulation. As time passes, the convex lens can not be restored to the normal state, it will form or aggravate the myopia.
Sticking the film is to prevent the phone from scratching the screen by the sharp objects in a pocket or bags. There is comparatively little disadvantages, but a good mobile phone glass is scratch-resistance, and the effect is not very well. In fact, the advantages weight the disadvantages.
a lot of scratches on the mobile phone film are harmful to our eyes
