叙述了激光对人眼的危害作用，阐明了激光防护的重要性。
The harm of laser to eyes and the importance of laser protection are set forth.
叙述低能激光对人眼、光学系统以及光电传感器的破坏作用，并介绍几种对低能激光的防护措施。
The destructive effect of low energy laser on human eyes, optical systems and electrooptic sensors is described, and several protection measures of low energy laser are introduced.
根据激光对人眼损伤机理，给出了标识危害距离公式，并阐述了非线性光学防护材料的防护原理。
In this paper, we obtained the formula of Nominal ocular hazard distance in the harm theories of lasers to eyes, and the principle of the nonlinear optical protective material was introduced.
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