日批在线视频_内射毛片内射国产夫妻_亚洲三级小视频_在线观看亚洲大片短视频_女性向h片资源在线观看_亚洲最大网

Many blind to the risks of contact lenses

Updated: 2012-02-22 08:43

By Yang Wanli (China Daily)

  Comments() Print Mail Large Medium  Small

Although no date has been given for when the new rules will come into effect, the statement advised producers and vendors to cease making or importing cosmetic contact lenses to avoid potential financial losses, as products without the necessary certification will be blocked from sale.

The difference between good and bad lenses is "like night and day", said Lu Yanyun, director of Tongren Hospital's contact lens center in Beijing.

Manufacturers of quality products have devised a way to cushion the colored part of the lens so that it does not put pressure on the eye, she said, warning that people who use inferior varieties are risking their eyesight.

"Poor-quality lenses can scratch or even poke holes in the cornea, which can basically make you go blind," Lu said.

Johnson & Johnson Vision Care, one of the best-selling brands of contact lenses in China, produces two kinds of cosmetic lenses in three "natural" colors. Spokesman Yu Guoxiong said the colored layer of its lenses "doesn't touch the eye directly", while the design ensures permeability.

"Although the changes (by the central government) will have an impact (on the market in China), I think a well-regulated market will encourage more people to choose cosmetic contact lenses," Yu added.

At Bright World Glasses, a Beijing-based chain store, a saleswoman called Li said the brands she sells already meet the standards for medical apparatus.

More than half of the store's customers buy colored lenses, with lenses that replicate an animal's eyes also selling well. "They are priced at about 1,000 yuan a pair," she said. "Cheaper ones have poor permeability and often lose their color."

Even at Bright World Glasses customers do not need eye examinations prior to purchase.

Yet, contact lenses in general greatly increase the risk of infections like pink eye and can deprive the eye of oxygen. Li Zhong at Intech Eye Hospital recommended that users wear products no longer than 10 hours straight. For cosmetic lenses, it should be no more than four hours.

Many blind to the risks of contact lenses 

Cosmetic lenses, such as this one, have been reclassified as "medical apparatus" and will soon be regulated by the State Food and Drug Administration. 

主站蜘蛛池模板: 日韩av在线播放网址 | 在线亚洲天堂 | 精品美女一区二区 | 亚洲+小说+欧美+激情+另类 | 亚洲一级黄色录像 | 日韩大片免费看 | 92国产精品| 色导航在线 | 色女视频 | 日本黄色小视频 | 日韩天堂网| 伊人久久香| 久久精品中文 | 精品国产精品国产偷麻豆 | 蜜桃精品久久久久久久免费影院 | 激情国产视频 | 免费观看毛片网站 | 日韩成年人视频 | 亚洲美女在线播放 | 国产一区在线观看免费 | 怡春院在线视频 | 四虎激情 | 中文字幕免费在线观看视频 | 超碰2021 | 97毛片| 999福利视频 | 国产天堂在线观看 | 一区二区欧美在线 | 欧美在线二区 | 爽天天天天天天天 | 成人天堂在线 | 欧美日本韩国一区 | 欧美日韩免费在线视频 | 国产女人呻吟高潮抽搐声 | 黄色一级小视频 | 狠狠欧美 | 欧美三级一区 | 黄色国产视频网站 | www欧美精品 | 中文字幕视频二区 | 青草国产 |