Experts test: Which is more harmful to the eyes: mobile phones, iPads or computers?
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Some media have conducted evaluations and found that electronic products have a great impact on children's eyesight. In order to uncover the mystery, Xiamen Eye Center invited three young people to conduct a scientific experiment. So which display screen is the most "harmful to the eyes" among mobile phones, iPads, and computers? What kind of discomfort will long-term exposure to LED color displays cause? Playing with the phone for one hour will make your eyes worse. Experimental process: Test after playing with the phone for one hour. Experimental items: optometry, tear film breakup time, blinking times. Experimental results: One experimenter's myopia worsened after playing with the phone for one hour. Experimenter's feelings: In the process of watching the phone for one hour, I played games, browsed the web, and checked Weibo. My eyes and hands were obviously tired. Expert comments: Mobile phones are also the most harmful electronic products to the eyes. They have small color screens, small fonts, and short distances from the eyes. In addition, the content of mobile phones is rich, and the eyes are in a state of high concentration for a long time, which will produce double fatigue. Watching iPad for one hour reduces the blinking frequency by half . Experimental process: Test after using iPad for one hour. Experimental items: optometry, tear film breakup time, blinking times. Experimental results iPad is the second most harmful to the eyes after mobile phones. The increase in optometry is similar to the experimental results of mobile phones. The tear film breakup time and blinking times have a very obvious downward trend compared with computers, kindles and books, and the reduction has even reached more than half. This is also because the content of TV series and other content on iPad is more exciting. The experimenter's attention is too focused, so it is easy to stare at it, which makes the normal number of blinks less, and the eyes cannot get normal rest and relief. Experimenter's experience In one hour, I watched two episodes of Korean dramas. After watching one episode of Korean dramas, my eyes were a little tired. After watching the second episode, the degree of eye fatigue became very obvious. Expert comments Compared with mobile phones, iPad has a much larger screen, so when users use iPad, they will increase the distance between iPad and eyes, and the stimulation to eyes will be less. Even if playing games, iPad will cause less damage to eyes than playing games on mobile phones. Of course, this does not mean that people can play games on iPad crazily. After all, iPad is second only to mobile phones in terms of damage to eyes. Staring at the computer in an air-conditioned room makes eyes dryer Experimental process: Test after using the computer for one hour. Experimental items: optometry, tear film breakup time, number of blinks. Experimental results: Computers rank third in terms of damage to eyes after mobile phones. The increase in the degree of optometry is significantly less than the experimental results of mobile phones and iPads, and the tear film breakup time and the number of blinks are also less than those of mobile phones and iPads. Experimenter's experience I watched the game for an hour on the computer. The game was quite intense, so I didn't feel much eye fatigue during the watching process. Instead, time passed quickly. When the game ended, the eyes were relieved from the tense state and felt tired. Expert comments Computers are indispensable office tools in the office. Office workers cannot avoid working in front of the computer every day. Facing the computer for a long time will cause visual fatigue and dry eyes, and even vision loss. Usually these symptoms occur when reading or working at close range, but people will also experience these symptoms when using computers for a long time. In addition, the office environment is often in an air-conditioned room, which will make people's eyes more likely to feel dry and irritate the eyes. Therefore, when using a computer in the office, it is best to put a humidifier next to the computer. Similarly, after working for 30-40 minutes, take a 5-10 minute break. People who type on the keyboard in front of the computer for a long time should also relax their hands in time to reduce fatigue. As a winner of Toutiao's Qingyun Plan and Baijiahao's Bai+ Plan, the 2019 Baidu Digital Author of the Year, the Baijiahao's Most Popular Author in the Technology Field, the 2019 Sogou Technology and Culture Author, and the 2021 Baijiahao Quarterly Influential Creator, he has won many awards, including the 2013 Sohu Best Industry Media Person, the 2015 China New Media Entrepreneurship Competition Beijing Third Place, the 2015 Guangmang Experience Award, the 2015 China New Media Entrepreneurship Competition Finals Third Place, and the 2018 Baidu Dynamic Annual Powerful Celebrity. |
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