BEIJING \u2014 It started last week with a call to action from China\u2019s leader, Xi Jinping. Too many of the country\u2019s children need glasses, he\u2026<\/b>
\nBEIJING \u2014 It started last week with a call to action from China\u2019s leader, Xi Jinping. Too many of the country\u2019s children need glasses, he said, and the government was going to do something about it.
It ended Friday with billions of dollars being wiped from the market value of the world\u2019s largest video game company.
New controls on online games were among Chinese authorities\u2019 recommendations for reducing adolescent nearsightedness on Thursday, sending shares in the country\u2019s leading game publisher, Tencent, tumbling the next day. Shares of Japanese game makers like Capcom, Konami and Bandai Namco also fell Friday, a sign of the size and importance of the Chinese market.
The sell-off is the latest in a series of government-related stumbles for Tencent, one of the world\u2019s largest technology companies. Chinese state media has blamed video games for causing young people to become addicted, lowering their grades and worse. An incident last year, in which a 17-year-old in the southern city of Guangzhou died after playing a smartphone game for 40 hours straight, received wide attention.
As the biggest game distributor in the world\u2019s biggest game market, Tencent has grown fantastically rich in recent years. It has bought up game developers around the world, including the makers of influential titles such as \u201cLeague of Legends\u201d and \u201cClash of Clans.\u201d It owns a stake in Epic Games, creator of the international blockbuster \u201cFortnite.\u201d
Back at home, Tencent also operates China\u2019s most popular messaging app, WeChat, and processes a big chunk of the smartphone payments that are now used to make transactions of all kinds in the country.
But over the last year, Tencent\u2019s hugely profitable game business has come under fire as Beijing takes a more forceful approach to guiding Chinese culture \u2014 a reminder of the state\u2019s growing role in deciding the fortunes of the country\u2019s largest and most innovative private companies.
Last year, the Communist Party\u2019s official mouthpiece, the People\u2019s Daily, called the Tencent-developed battle game \u201cHonor of Kings\u201d a \u201cpoison\u201d on young minds. In response, the company imposed limits on the amount of time young people could spend playing it each day.
More recently, Chinese regulators blocked sales of another Tencent title \u2014 \u201cMonster Hunter: World\u201d \u2014 because it was deemed too gory. The company\u2019s stock also took a slide after executives said that a bureaucratic reshuffle had slowed the process for getting licenses to make money on new games such as the mobile version of \u201cPlayerUnknown\u2019s Battlegrounds.\u201d
Tencent\u2019s shares fell 5 percent in Friday trading in Hong Kong. A company spokesman declined to comment.
In China, bad eyesight has become an increasingly common childhood scourge. The state news agency Xinhua reported last week that Xi was moved to act after reading a press report on the subject. Nearly half of all Chinese are nearsighted, according to Xinhua.
\u201cThe vision health of our country\u2019s young people has always been of great concern to General Secretary Xi Jinping,\u201d the news agency wrote, using one of Xi\u2019s official titles.
The resulting plan, issued by the Ministry of Education, directs China\u2019s media regulator to limit the number of new games approved for distribution, although it does not suggest a specific limit. It also encourages the regulator to explore measures to limit the amount of time minors can spend playing games, and to consider a system for rating games for age appropriateness.
Other recommendations in the notice include improving physical education in schools, limiting the amount of written homework given to elementary school students and improving lighting conditions in classrooms.
The link between screen time and myopia, while popularly held, is a matter of continuing study among scientists. A 2015 report by the World Health Organization cited research indicating that nearsightedness was related to less time spent outdoors and more time doing activities such as reading, studying and focusing on screens.<\/p>\n

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