2050年世界半数人口将是近视眼
<p><span word="By">By</span> 2050, <span word="half">half</span> <span word="of">of</span> <span word="the">the</span> <span word="world">world</span>’<span word="s">s</span> <span word="population">population</span> (<span word="nearly">nearly</span> 5 <span word="billion">billion</span>) <span word="will">will</span> <span word="be">be</span> <span word="short">short</span>-<span word="sighted">sighted</span>, <span word="research">research</span> <span word="suggests">suggests</span>, <span word="and">and</span> <span word="screens">screens</span> <span word="are">are</span> <span word="to">to</span> <span word="blame">blame</span>.</p><p>研究显示，到2050年，世界上的半数人口 <span word="Up">Up</span> <span word="to">to</span> <span word="one">one</span>-<span word="fifth">fifth</span> <span word="of">of</span> <span word="the">the</span> <span word="short">short</span>-<span word="sighted">sighted</span> <span word="population">population</span> (1 <span word="billion">billion</span>) <span word="is">is</span> <span word="at">at</span> <span word="a">a</span> <span word="significantly">significantly</span> <span word="increased">increased</span> <span word="risk">risk</span> <span word="of">of</span> <span word="blindness">blindness</span>, <span word="says">says</span> <span word="the">the</span> <span word="study">study</span> <span word="published">published</span> <span word="in">in</span> <span word="the">the</span> <span word="journal">journal</span> <span word="Ophthalmology">Ophthalmology</span>.</p><p>发表在《眼科学》期刊上的这项研究还指出，这些近视人口中的五分之一 <span word="The">The</span> <span word="rapid">rapid</span> <span word="increase">increase</span> <span word="in">in</span> <span word="the">the</span> <span word="prevalence">prevalence</span> <span word="of">of</span> <span word="myopia">myopia</span> <span word="globally">globally</span> <span word="is">is</span> <span word="attributed">attributed</span> <span word="to">to</span>, "<span word="environmental">environmental</span> <span word="factors">factors</span> (<span word="nurture">nurture</span>), <span word="principally">principally</span> <span word="lifestyle">lifestyle</span> <span word="changes">changes</span> <span word="resulting">resulting</span> <span word="from">from</span> <span word="a">a</span> <span word="combination">combination</span> <span word="of">of</span> <span word="decreased">decreased</span> <span word="time">time</span> <span word="outdoors">outdoors</span> <span word="and">and</span> <span word="increased">increased</span> <span word="near">near</span> <span word="work">work</span> <span word="activities">activities</span>" – <span word="time">time</span> <span word="spent">spent</span> <span word="looking">looking</span> <span word="at">at</span> <span word="screens">screens</span>, <span word="say">say</span> <span word="the">the</span> <span word="authors">authors</span> <span word="from">from</span> <span word="University">University</span> <span word="of">of</span> <span word="New">New</span> <span word="South">South</span> <span word="Wales">Wales</span> <span word="Australia">Australia</span> <span word="and">and</span> <span word="Singapore">Singapore</span> <span word="Eye">Eye</span> <span word="Research">Research</span> <span word="Institute">Institute</span>.</p><p>研究作者、来自澳大利亚新南威尔士大学和新加坡眼科研究所的专家表示，全球近视人数的快速增长起因于“环境因素”，“主要是人们生活方式的改变——户外活动变少、费眼力的活动增多”，而费眼力的活动主要是人们对各种电子屏幕的使用。</p><p><span word="High">High</span> <span word="income">income</span> <span word="countries">countries</span> <span word="are">are</span> <span word="most">most</span> <span word="at">at</span> <span word="risk">risk</span> <span word="of">of</span> <span word="myopia">myopia</span>, <span word="the">the</span> <span word="researchers">researchers</span> <span word="say">say</span>, <span word="simply">simply</span> <span word="because">because</span> <span word="the">the</span> <span word="people">people</span> <span word="living">living</span> <span word="in">in</span> <span word="those">those</span> <span word="countries">countries</span> <span word="spend">spend</span> <span word="more">more</span> <span word="time">time</span> <span word="looking">looking</span> <span word="at">at</span> <span word="their">their</span> <span word="television">television</span>, <span word="or">or</span> <span word="phone">phone</span>, <span word="or">or</span> <span word="laptop">laptop</span>.</p><p>研究者称，高收入国家的人尤其易患近视，因为这些国家的居民花在看电视、玩手机和浏览笔记本电脑上的时间更多。</p>
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