首页>
外国专利>
Method and the device which obstruct the revelation of the near-sightedness of the human
Method and the device which obstruct the revelation of the near-sightedness of the human
展开▼
机译:阻碍人类近视的启示的方法和装置
展开▼
页面导航
摘要
著录项
相似文献
摘要
The method of obstructing the revelation of the near-sightedness of the human just specified period Strobo light or the spark or by granting those patterns to the eye of the human at specified frequency and specified wave length.
展开▼