The use of laser equipment, laser materials used in ourlife is not very rare, and we can more clearly the actual life in the face ofthe use of laser use direction is numerous, the variety is complete. Butactually appears to our laser protective goggles laser indeed make our lifeeasier, many details have also become more enjoyment, but in fact we reallyunderstand understand the diversity of the laser? In fact in the face of a varietyof use use of laser, we are too ignorant.
Laser can bring our own serious and irreparable damage.Laser protective goggles to tell you, in fact, the near infrared laser, theabsorption rate of eye refractive medium low, high transmission rate, andrefractive media focus ability (that is, the concentrated force). High strengthof the visible and near-infrared light enters the eye through the human eyerefractive media, accumulate the light on the retina. At this point in theretina of the laser energy density and power density to thousands or even tensof thousands of times, a lot of light in the retina in the moments together,cause retinal photoreceptor cell layer temperatures soared, losinglight-sensitive photoreceptor cells to solidification degeneration necrosis.Laser in the photoreceptor cells in the superheat caused by frozen denaturationof proteins are not reversible damage. Once damage can cause permanentblindness of the eye.
The wavelength of the laser to varying degrees of differenteffect on the eye, the consequences are also different. Far infrared laserdamage to the eyes, mainly the cornea that almost all of this is because thiskind of wavelength laser is absorbed by the cornea, so most cornea injury, maincause keratitis and conjunctivitis, patients feel pain in your eyes, eyewinkerstimulation, afraid of light, shed tears, eye hyperaemia, decreased vision,etc. When the far infrared light damage should cover to protect the eyes,prevent infection, symptomatic treatment.
Ultraviolet laser cross-eye injury ismainly the cornea and lens, almost all the wavelengths of ultraviolet laser islens of the eye absorption, and cosco is given priority to with cornealabsorption, which can cause the lens and corneal opacity. Aurora the use ofmaterials, equipment utilization is the most important in our life, and what'smore important is the laser has been in development and progress, in the slowbut steady changing our life. But the positive side just favor laser manyaspects of a trait, the laser is actually a powerful double-edged sword, if weare able to be used correctly in the use of laser use protection, so can thegreatest degree of development of laser potential, exert the importance oflaser.
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