Eye safety and health programs can improve productivity and profits.
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The laser machine and the unique quality of the laser beam are described. The basis of the medical application of laser is its capacity to concentrate large amounts of energy on a small volume of tissue, mostly resulting in thermal coagulation necrosis. The effect of monochromate laser radiation varies, depending on the different absorption of various laser beams by tissues. Indications of various types of lasers for treatment, especially in dermatology, are discussed and safety instructions are mentioned.
The visual system can be modified by early experience. Many infants requiring extensive medical treatment spend time in neonatal intensive care units in which they experience prolonged and relatively intense illumination. Visual functions were measured in a group of 7-year-old children who, as infants, were in intensive care for treatment of neonatal jaundice. Using procedures disguised as games, these children were tested for spatial and temporal resolution, receptor functions, and binocular vision. Especially in children whose eyes had not been shielded, deficits were found in color vision, spatial contrast sensitivity, and stereopsis, but not in rod vision.
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A safe, simple surgical light occluder made of black pigmented hydrated HEMA is described. It protects the retina from all wavelengths of light and protects the corneal epithelium against abrasion and opacities due to drying during surgery.
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Developments in laser technology have resulted in an expanding use of lasers in many field and laboratory situations. The implications of the use of lasers in military applications have been examined for flight personnel, and the requirement for eye protection determined. Recommendations for methods of providing that protection are made.
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The need for and development of an effective occupational vision program is discussed. The role of the optometrist as an occupational vision consultant is outlined and specific guidelines for the provision of in-plant and in-office vision services are provided. Requirements of the OSHAct are summarized and specific problem areas related to industrial safety eyewear are also discussed.
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For several years we employed an endoscope permitting electro-coagulation in the treatment of some broncho-tracheal lesions and were able to observe the limits and accidents involved in this method. When compared with clinical results (work of Freche in ORL, laser CO2) and after experimental research, the use of a flexible laser beam (YAG) seems to bring about a noteworthy increase in therapeutic possibilities. This flexible fiber beam could easily be used by some medico-surgical teams who already possess appropriate of easily adaptable endoscopic equipment. Clinical studies are in progress.