你敢试试吗？新激光手术20秒可让眼珠变蓝色
<p><span word="Blue">Blue</span> <span word="eyes">eyes</span> <span word="have">have</span> <span word="historically">historically</span> <span word="been">been</span> <span word="a">a</span> <span word="significant">significant</span> <span word="measure">measure</span> <span word="of">of</span> <span word="attractiveness">attractiveness</span>, <span word="and">and</span> <span word="although">although</span> <span word="they">they</span>’<span word="re">re</span> <span word="commonly">commonly</span> <span word="found">found</span> <span word="among">among</span> <span word="actors">actors</span> <span word="and">and</span> <span word="models">models</span>, <span word="only">only</span> 17% <span word="of">of</span> <span word="the">the</span> <span word="global">global</span> <span word="population">population</span> <span word="has">has</span> <span word="them">them</span>. <span word="For">For</span> <span word="the">the</span> <span word="majority">majority</span> <span word="of">of</span> <span word="people">people</span>, <span word="approximately">approximately</span> 80% <span word="of">of</span> <span word="the">the</span> <span word="population">population</span>, <span word="blue">blue</span> <span word="eyes">eyes</span> <span word="have">have</span> <span word="been">been</span> <span word="attainable">attainable</span> <span word="only">only</span> <span word="with">with</span> <span word="the">the</span> <span word="aid">aid</span> <span word="of">of</span> <span word="colored">colored</span> <span word="contact">contact</span> <span word="lenses">lenses</span> <span word="or">or</span> <span word="artificial">artificial</span> <span word="iris">iris</span> <span word="implants">implants</span>. <span word="But">But</span> <span word="that">that</span> <span word="will">will</span> <span word="soon">soon</span> <span word="change">change</span> <span word="with">with</span> <span word="the">the</span> <span word="introduction">introduction</span> <span word="of">of</span> <span word="a">a</span> <span word="new">new</span> <span word="medical">medical</span> <span word="procedure">procedure</span>, <span word="pioneered">pioneered</span> <span word="by">by</span> <span word="California">California</span> <span word="company">company</span> <span word="Stroma">Stroma</span> <span word="Medical">Medical</span>, <span word="that">that</span> <span word="can">can</span> <span word="turn">turn</span> <span word="brown">brown</span> <span word="eyes">eyes</span> <span word="blue">blue</span>.</p><p>蓝色眼睛一直被认为是美貌的一个重要衡量标准。尽管很多演员和模特都有蓝眼睛，但是从全球范围来看，只有17%的人口拥有蓝眼睛。对大多数人（80%）而言，蓝色眼睛只能靠佩戴有色隐形眼镜或植入人工虹膜来实现。不过，这一切很快就要改变了，美国加州基质医学公司率先引进的一项新手术可以让棕色眼睛变成蓝色。</p><p><span word="The">The</span> <span word="laser">laser</span> <span word="procedure">procedure</span> <span word="works">works</span> <span word="by">by</span> <span word="eliminating">eliminating</span> <span word="the">the</span> <span word="melanin">melanin</span> <span word="from">from</span> <span word="the">the</span> <span word="surface">surface</span> <span word="of">of</span> <span word="the">the</span> <span word="iris">iris</span>, <span word="which">which</span> <span word="then">then</span> <span word="allows">allows</span> <span word="light">light</span> <span word="to">to</span> <span word="enter">enter</span> <span word="and">and</span> <span word="scatter">scatter</span> <span word="in">in</span> <span word="the">the</span> <span word="stroma">stroma</span>. <span word="The">The</span> <span word="effect">effect</span> <span word="is">is</span> <span word="similar">similar</span> <span word="to">to</span> <span word="Rayleigh">Rayleigh</span> <span word="scattering">scattering</span>, <span word="in">in</span> <span word="which">which</span> <span word="wavelengths">wavelengths</span> <span word="of">of</span> <span word="sunlight">sunlight</span> <span word="hit">hit</span> <span word="much">much</span> <span word="smaller">smaller</span> <span word="molecules">molecules</span> <span word="in">in</span> <span word="the">the</span> <span word="air">air</span> <span word="and">and</span> <span word="then">then</span> <span word="scatter">scatter</span>, <span word="which">which</span> <span word="makes">makes</span> <span word="the">the</span> <span word="atmosphere">atmosphere</span> <span word="appear">appear</span> <span word="blue">blue</span>.</p><p>这项激光手术通过消除虹膜表面的黑色素，让光线得以进入虹膜，分散在基质层上，从而让眼睛呈现出蓝色。这一过程和瑞利散射的原理类似，当阳光的波长触及空气中的分子散射开来，天空就会呈现蓝色。</p>
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