First let me back up a bit and talk about vision correction before the printing press.
让我先回顾下在印刷术之前的视力矫正是什么样的。
Recently, Lasik eye surgery has become the most widely used surgical procedure for vision correction.
近来，激光眼科手术成了运用最广泛的矫正视力的外科手术。
Am I suitable for laser vision correction?
我适合于激光矫正视力吗？
Which type of vision correction tools are you using?
你现在主要配戴什么类型的矫视工具？
The laser surgery for vision correction that replaced radial keratotomy (e. g., lasik and other procedures) is not associated with visual disturbances at high altitudes.
取代前项技术，用以矫正视力的雷射手术与高海拔的视觉障碍并无直接关系。
Most past studies have focused on the degree of vision correction attained and medical complications like infection, rather than everyday matters like night vision that can affect quality of life.
过去的研究主要集中与术后视力的恢复程度，以及并发症如感染，而不是日常中可能影响生活质量的如夜间视力等因素。
The new work suggests that playing video games could someday become part of vision-correction treatments, which currently rely mainly on surgery or corrective lenses.
这项新的工作表明玩视频游戏将来某一天能够成为视觉纠正治疗的一部分，目前还主要依赖于外科手术或矫正镜片。
The new work suggests that playing video games could someday become part of vision-correction treatments, which currently rely mainly on surgery or corrective lenses.
这项新的工作表明玩视频游戏将来某一天能够成为视觉纠正治疗的一部分，目前还主要依赖于外科手术或矫正镜片。
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