Laser shining eyes, with eyes, cornealdamage of retina, lens, eyes filled with DB, resulting in reduced vision, andloss of the eyes of the call, and the laser damage is cumulative, do not payattention to today, tomorrow will bring serious consequences, so the protectionof the eyes is the most important. Is not the need to wear a laser protectiveglasses, at least up to two laser output parameters: maximum exposure period,laser wavelength and output power or the output energy, as well as thecorresponding maximum allowable shine though (MPE).
The main laser protective glasses areusually made of polymer material and optical filter, optical absorption data ismade, perhaps the use of coloured glass, or coating on the lenses, theyselectively absorb attenuation or reflection specific wavelength, and as muchas possible through visible light. The existing protective glasses are dividedinto the following types: the usual glasses type, the non transparent frame ofthe light proof type, and some translucent border of the semi anti side lighttype, etc.. The parameters include: laser protective glasses, protectivewavelength or wavelength range of filter on the output wavelength of the laseroptical density, protective glasses on the visible light transmittance, laserdamage threshold of the protective lens (maximum irradiance) and lenscurvature. Not the same as the laser radiation of the laser wavelength is notthe same, the need to wear protective glasses are not the same, so theprotective glasses should be marked with a protective wavelength, usuallymarked with the maximum power laser radiation wavelength.
The laser technology developed veryrapidly, more and more widely used in many occupation, are used, so sometimesit needs some wearing protective glasses, if we do not pay attention to today,tomorrow will bring serious consequences, so the protection of the eyes is themost important.
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