Refractive surgery : lasik operation equipment - alcon ladarwave customcornea system hong kong laser eye centre 丽晰激光矫视手术设备-爱尔康角膜订定造系统ladarwave customcornea system
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In addition to those vision problems you ve probably heard of before the lower order aberrations like nearsightedness and farsightedness there are common vision problems known as higher order aberrations that can also affect your vision 爱尔康角膜订定造系统ladarwave customcornea system传统的激光矫视手术能改善很多常见的视力问题，如近视远视及散光，亦即是低阶像差low order aberration 。
