Objective To learn the accuracy of computer optometric techniques using traditional optometry as standard and the feasibility of using computer optometry to replace the traditional method.

目的了解电脑验光的准确性，探讨电脑验光能否替代传统的验光技术在招飞体检中的应用。

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More than 40% of Americans spend three or more hours a day staring at a computer or hand-held, according to the American Optometric Association.

WSJ: How Technology Tries Our Eyesight

Cohen, past president of the Arizona Optometric Association.

WSJ: Contacts Lenses That Let In Sun, But Block UV Rays