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激光技术已广泛用于各领域,预料将来还会有更大发展。因为激光在单位面积的能量很容易达到极大值,所以近年来对机体的影响,特别是眼的安全性受到人们重视,并且正在制订一些法规。本文拟以激光和一般光为中心,对其安全性进行讨论。 (一)激光的安全性 (1)波长与透过率:光的波长不同对眼组织的透过性也不同,从500 nm到950 nm的可见光及近红外线的光,大致能透过眼组织而达到眼底;而波长至1000 nm者,透过性稍差,因被
Laser technology has been widely used in various fields and it is expected that there will be further development in the future. Because laser energy per unit area can easily reach a maximum value, the impact on the body in recent years, especially eye safety, has drawn great attention and some laws and regulations are being formulated. This article intends to laser and general light as the center, to discuss its safety. (A) the safety of the laser (1) wavelength and transmittance: different wavelengths of light on the permeability of ocular tissue is also different from 500 nm to 950 nm visible and near infrared light, through the ocular tissue and Reached the fundus; and wavelength to 1000 nm, the permeability of slightly worse, was