Objective To observe the influences of 21 d head down tilt(HDT) bed rest on the intra ocular pressure, visual field and near vision in human and to study the countermeasure of Chinese herb against weightlessness.
目的观察头低位卧床模拟失重对人体眼压、视野、近视力的影响 ,及中药对抗模拟失重的效果。
Your distant vision is only 0. 2. Now come and have a look at this chart for the near vision.
您的远视力只有0. 2，再查一下近视力，请看这张表。
Near-sightedness is a visual defect.
近视是一个视力缺陷。
Is your eyesight failing recently?
你近来视力有所变差吗?
Analysis about the examiniations of myopia diopter,eye axis and naked visual
近视屈光度、眼轴、裸眼视力的检测分析
Investigation of Junior High School Students Visual Status and Cause Analysis of Myopia;
初中生视力状况调查及近视原因分析
Studied on Fixation Nature of High Myopia
关于高度近视眼固视或视力性质的研究
The Effect of Peripheral Vision on Myopia Progression;
周边视网膜视力对近视屈光度进展影响的研究
Conclusion ①Tonic accommodation: tonic accommodation for low and medium myopia was lower than for emmetropia.
结论①张力性调节:对于正视眼组和近视眼组,正视眼组张力性调节值高于近视眼组。
Influence of teenagers long-term vision variation and true myopia by incipient-vision
初始视力对青少年远期视力变化及真性近视发生的影响
He was concerned about the recent blear in his vision.
他对他最近的视力模糊感到忧虑。
Multiple factors analysis of corneal refractive power in myopia
影响近视眼角膜屈光力多因素分析
Regular practice of these exercises can improve eyesight and prevent shortsighted eye effectively.
经常做工种按摩对提高视力和预防近视很有效。
Status of Impaired-Vision and Suspect-Myopia in Chinese Primary and Secondary School Students in 2005;
我国中小学生视力不良和疑似近视流行现状
Secular Changes of Impaired-Vision and Suspect-Myopia in Chinese Students;
中国学生视力不良和疑似近视流行的动态分析
Relationship between the Structure of Eyeball and the Visual Acuity in Young Persons with Severe Myopia
中青年高度近视眼球结构和视力变化的研究
Preferred Retinal Loci in High Myopic Eyes with Central Scotomas;
高度近视中心视力丧失后偏心注视优势位置的研究
Four weeks previously he had intermittent hazy vision, but in the last2 weeks the vision has become progressively worse.
四星期前，他的视力间或馍糊，最近2个星期来，视力比以前变得更坏。
One who is affected by myopia.
近视者患有近视的人