·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
youdao
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？
Laser eye surgery for simple vision correction, for example, is not covered by most medical plans.
FORBES: Fact and Comment
Eyeglasses and other vision correction tools have had a staggering effect on the daily lives of millions.
FORBES: No. 9 Eyeglasses
CareCredit, an arm of General Electric Money Company, states clearly that the card is intended for patients seeking elective treatments, such as dental work or vision correction surgery, not for emergency care.
FORBES: How To Avoid Medical Debt
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