科学家发明眼球创可贴 能愈合眼部伤口的隐形眼镜
<p><span word="Treating">Treating</span> <span word="wounds">wounds</span> <span word="on">on</span> <span word="a">a</span> <span word="part">part</span> <span word="of">of</span> <span word="the">the</span> <span word="body">body</span> <span word="as">as</span> <span word="delicate">delicate</span> <span word="as">as</span> <span word="the">the</span> <span word="eyeball">eyeball</span> <span word="isn">isn</span>'<span word="t">t</span> <span word="easy">easy</span>, <span word="but">but</span> <span word="scientists">scientists</span> <span word="have">have</span> <span word="developed">developed</span> <span word="an">an</span> <span word="innovative">innovative</span> <span word="new">new</span> <span word="approach">approach</span>: <span word="a">a</span> <span word="therapeutic">therapeutic</span> <span word="contact">contact</span> <span word="lens">lens</span> <span word="that">that</span> <span word="can">can</span> <span word="act">act</span> <span word="as">as</span> <span word="a">a</span> <span word="bandage">bandage</span> <span word="for">for</span> <span word="damaged">damaged</span> <span word="eyes">eyes</span>.</p><p>要处理人体中像眼球这样脆弱部位上的伤口绝非易事，不过科学家已研发出一种创新疗法：治疗用隐形眼镜，它对受伤的眼睛来说相当于创可贴。</p><p><span word="This">This</span> <span word="is">is</span> <span word="no">no</span> <span word="ordinary">ordinary</span> <span word="contact">contact</span> <span word="lens">lens</span>, <span word="because">because</span> <span word="it">it</span>'<span word="s">s</span> <span word="made">made</span> <span word="up">up</span> <span word="of">of</span> <span word="donor">donor</span> <span word="cells">cells</span> <span word="left">left</span> <span word="over">over</span> <span word="from">from</span> <span word="regular">regular</span> <span word="corneal">corneal</span> <span word="transplants">transplants</span>.</p><p>这不是普通的隐形眼镜，因为它由常规角膜移植遗留下来的供体细胞组成。</p><p><span word="These">These</span> <span word="special">special</span> <span word="limbal">limbal</span> <span word="mesenchymal">mesenchymal</span> <span word="stromal">stromal</span> <span word="cells">cells</span> <span word="help">help</span> <span word="to">to</span> <span word="encourage">encourage</span> <span word="the">the</span> <span word="injured">injured</span> <span word="eye">eye</span> <span word="to">to</span> <span word="repair">repair</span> <span word="its">its</span> <span word="wounds">wounds</span> <span word="itself">itself</span>.</p><p>这些特殊的角膜缘间充质间质细胞有助于刺激受创眼部进行自我修复。</p>
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