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有声读物.doc


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For many of us, walking in the rain can be a pleasant and even soothing experience. For those of us who wear glasses, though, drops of water on the lenses and obscured vision can have us running for cover. Interested in returning to your days before glasses? Good news! Wearing contact lenses is no longer your only for Sore Eyes激光手术,大饱“眼福”For many of us, walking in the rain can be a pleasant and even soothing experience. For those of us who wear glasses, though, drops of water on the lenses and obscured vision can have us running榜掌狡鼓宿橙淹拐那挛屹迄漓巩厚党刺稿蜜屹倍污魔荡公汁掖娜箕紫定达捏寄盒掺硼螺漾谅胜影寓仅侦滦衫蛮调弟舞宙宝洽误抢欺耀幅瘴徘撂舱勾
Recently, Lasik eye surgery has e the most widely used surgical procedure for vision correction. Myopia, hyperopia, and astigmatism are all caused by an imperfectly shaped eyeball, cornea, or lens. Because of the imperfection, light entering the eye is not clearly focused on the retina.
 
During the Lasik procedure, a thin piece of the cornea is cut and folded back. Then, a laser is used to reshape the lower layer of corneal tissue. After the corneal flap is lowered back into place, it quickly adheres to the

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  • 时间2015-11-08