Netizens claim that their vision has skyrocketed to 300 degrees Celsius after using anti peeping film for two months! Doctor's reminder

Recently, a netizen shared an experience that sparked a heated discussion: after using a phone privacy mask for two months, their vision increased from normal to 300 degrees, and after one year, it reached 475 degrees.

Hu Peike, Deputy Chief Physician of Ophthalmology at Zhejiang University Second Hospital, explained that the working principle of the anti peeping film is to limit the viewing angle of the screen through a special micro louver structure, ensuring that only people facing the screen can see the content clearly. But this design, while protecting privacy, actually brings a considerable potential burden to the eyes. People with the following conditions are advised to carefully choose the use of privacy films: those with pre-existing visual problems such as myopia and astigmatism; Daily screen usage time exceeding 4 hours; Frequently use mobile phones in dim environments. If it is necessary to use anti peeping film, it is recommended to choose products with high light transmittance and anti blue light certification, and try to shorten the continuous use time as much as possible. The impact of privacy films on the eyes is usually gradual. When symptoms such as blurred or double vision, frequent dryness, soreness, headache or dizziness, and significant short-term visual impairment occur, it is necessary to

It may be related to the anti peeping film, and it is necessary to replace the ordinary film or seek medical examination in a timely manner.