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Prevention of work related injuries: a look at eye protection use and suggested prevention strategies.
Eye injuries account for 6% of all national injuries, with 60% of those injured professing to not having worn any eye protection. Most injuries (70%) are from flying objects that come around the front of a flat "eyeglass type" personal protective device. Blindness prevention include educating managers and employees, and purchasing and distributing effective eye wear protection.
LIM YAG laser protective device for reading glasses or loupes.
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Welding processes and ocular hazards and new protective devices.
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[Problematic radiation protection devices in x-ray diagnosis].
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[Quality of glass used in protective goggles in industry].
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USE OF PROTECTIVE GOGGLES IN AREAS OF LASER RADIATION.
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Holmium:YAG surgical lasers.
"Holmium:YAG (Ho:YAG)" is the shorthand name for a family of solid-state lasers that use the doping element holmium in a laser crystal (e.g., YAG [yttrium-aluminum-garnet]) and that emit energy at approximately 2.1 microns. This wavelength is relatively new to medicine and has been used in laser surgery for only about the last six years. Like the carbon dioxide (CO2) laser when it was first used clinically, the Ho:YAG laser is poised for rapid and wide-spread use. Ho:YAG lasers, like CO2 lasers, offer precise cutting with minimal damage to adjacent tissue; however, unlike CO2 lasers, they also offer fiberoptic delivery (which is ideal for endoscopic use) and the ability to treat tissue in a liquid-filled environment (e.g., saline, blood). The initial specialty for which the Ho:YAG laser was used was arthroscopic surgery, especially diskectomy. Today, it is effectively used in many surgical specialties, including general surgery, urology, laparoscopy, neurosurgery, lithotripsy, angioplasty, orthopedic surgery (which includes procedures such as meniscectomy, bone sculpting [may also be performed in plastic surgery], and some experimental surgery, such as cartilage shrinking to tighten loose joints), and dentistry. Because of its broad range of potential applications, it has been called the "Swiss Army Knife" of lasers. High-powered Ho:YAG lasers, which enable surgeons to work more quickly and cut more smoothly, have been made available only within the last three years (units offering > 20 W) to 18 months (units offering > 60 W). Because of this rapid increase, high-powered units are still relatively expensive, and it is not yet clear whether maximum power outputs will continue to increase or whether the cost of higher-power units will begin to come down. Although low-power and high-power Ho:YAG lasers can be used for the same procedures, their different ranges of possible clinical techniques make them better suited to different applications: low-power units are preferable for small-joint and some head-and-neck surgeries or for office use, and high-power units are more suitable for use in major surgery, such as gastrointestinal surgery or surgery in large joints. This evaluation includes two units at both ends of the Ho:YAG power spectrum--one 10 W and one 60 W--and thus provides a guide to evaluating other Ho:YAG lasers that are currently available or that will be entering the market.(ABSTRACT TRUNCATED AT 400 WORDS)
Cerebral angiography: a device to reduce exposure to the eye lens.
A simple inexpensive eyeshield, made of thin sheets of lead apron material laminated to a 5- X 15-cm sheet of x-ray film base, which is taped to the temple nearest the lateral x-ray tube prior to the completion of standard simultaneous biplane posteroanterior (PA) and lateral angiograms, results in a significant reduction in radiation exposure to the lens of the eye. The shield protects the eye lens without significantly imparing the quality of the radiographs. Compared with reported radiation exposure for standard cerebral vascular angiography, use of this device can produce a 20-fold drop in radiation exposure to the lens.
DOCTORS NEED KNOWLEDGE OF EYE SAFETY LENSES.
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Retinal protection from solar photic injury.
Samples of protective filters commonly used to observed the partially eclipsed sun were obtained and subjected to spectrophotometric analysis over the wavelength interval 330 to 2500 nm. Performance of these filters was compared with criteria for adequate ocular protection which have appeared in the literature. It appears that the greatest safety is provided by those devices incorporating a monatomic metallic coating as the filtering agent.
Is there a prevention and treatment strategy for macular degeneration?
BACKGROUND: Reduced antioxidant defense of the retina secondary to poor nutrition and smoking combined with increased life expectancy and exposure to solar radiation can provide a triple assault on the aging retina. If left untreated, without prophylactic measures, 7.5 million American adults will suffer vision loss from ARM by the year 2020. METHODS: Better known pathobiologic interrelationships between ARM, nutritional/antioxidant status and UV/blue visible solar exposure risk based on animal research and recent epidemiologic studies is presented, along with an overview of ocular free radical biochemistry. RESULTS: Because ARM begins parafoveally, and confounding ocular lens changes often occur, there have been practical clinical/research difficulties in early diagnosis, and assessing improvement/loss from nutritional intervention. Threshold Amsler grid testing, contrast sensitivity and more recently red foveal flicker fusion frequency testing are presented as promising tests for discerning subtle pathologic and functional changes in vision. CONCLUSIONS: A conservative prevention/treatment strategy is presented involving identification of at-risk patients, solar radiation protection, nutritional counseling based on the new USDA Food Pyramid concept and vitamin/mineral supplementation if necessary for non-compliant high risk patients. Excessive vitamin intake of particular micronutrients has some drawbacks, and the optometrist should be aware of the implications of self-prescribed OTC ocular formulations, the difference between UV risk vs. "blue light hazard" and ongoing clinical trials.
Industrial ocular morbidity in a north Indian town.
A study on industrial ocular morbidity was carried out in 6 industrial establishments at Saharanpur. The mean age of the respondents was 35.3 years. 58.2% were regular floor staff. 10.6% professed suffering from an industrial ocular injury. 60% of these injuries were sustained by ocular metallic trauma. 51.9% complained of ocular symptoms at the time of the survey. The frequency of ocular complaints increased with age. The point prevalence of ocular morbidity was 746.03/1000 industrial workers. Refractive errors were the commonest ocular condition (56.7%) observed, followed by Trachoma (32.6%). The highest prevalence of morbidity was recorded among workers above 44 years. Clerical and managerial personnel had higher prevalence compared to other jobs. Only 3.6% of the floor workers were using protective devices while on the job.
THE FRACTURE RESISTANCE OF INDUSTRIALLY DAMAGED SAFETY GLASS LENSES, PLANO AND PRESCRIPTION--AN EXPANDED STUDY.
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Ocular emergency--a case report.
BACKGROUND: Ocular emergencies are not uncommon and one of the causes is chemical burns. Irrigation is the major emergency therapeutic measure of such burns and this also has an impact on the prognosis. We hereby present a case report of chemical burns. METHOD/RESULT: The case report of a 33year old factory worker presenting with history of visual loss following splash of cement dust unto his face is hereby presented with literature review. CONCLUSION: We conclude that people working in high-risk industries for chemical injuries should wear protective devices and be given health education as to what they can do in cases of accident.
Sports eye injuries a preventable disease.
Each year, sports are responsible for over 100.000 preventable eye injuries. A face-protector standard was developed for hockey. Certified protectors effectively eliminated eye and face injuries to 1,200,000 players averting a projected 70,000 injuries and saving over $10,000,000 in medical expenses annually. The principle of absorbing energy in a protective device before the eye is injured is applied to other sports (racket sports, baseball, basketball). Recommendations are made on eye protection for athletes. Better data collection and standards for sports and children's eyewear are encouraged.
[Infection risk and personal protective devices].
The Aa discuss the evidence and recommendations for the use of personal protective equipment by health care practitioners in general care settings; the use of aprons, gowns, gloves, eye protections, face masks is valutated on the basis of an assessment of the risk of transmission of microrganisms to the patient or from the patient to health care practitioners. The primary uses of personal protective equipment are to protect staff and reduce opportunities for transmission of microrganisms in hospitals. A trend to eliminate the unnecessary wearing of aprons, gowns and masks in general care settings has evolved over the past twenty years due to the absence of evidence that they are effective.