Vision ∙ Vue ∙ Vista ∙ Syn ∙ зрение ∙ 视力
Jens G. Hetland, Professor, MD, Ph.D, Oslo, Norway
Sponsored by Arthur and Odd Clausons Legacy

pupileyes.com
是视力及眼睛护理方面的专业网站 –专门为那些希望通过网站互动学习视力及视野的人们而设立!

Syn for alle - On Tonometry - Experimental Tonography

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正常视力的人(屈光正常),即没有进行过任何类型的视力校正,能看清楚远处。这是因为当眼睛处于放松状态时,平行光刚好聚焦到视网膜的黄斑上。

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进行视力测量的时候,应一次测试一只眼睛,然后测试双眼。通常情况下,双眼比单眼看得更为清晰。

测量结果应以数字或者分数的形式进行记录。人眼的正常视力是1.0或20/20(英尺)或6/6(米),1/10视力相当于0.10或20/200或6/60。

The tests are for educational purposes only to illustrate hypothetical cases
This site was last updated 15 March 2010