Pterygium in welders.
نویسندگان
چکیده
منابع مشابه
Pterygium in welders.
Pterygium is thought to be hyperaemia of fibrovascular tissue on to the cornea caused by ultraviolet radiation of sunlight. We observed a significantly high incidence of pterygia in welders who were exposed occupationally to excess ultraviolet radiation and found a close relationship between the incidence and the length of employment as a welder (r = 0.975, p less than 0.05). This study attempt...
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The objective of this study was to characterize personal exposures to welding-related metals and gases for production welders and non-welders in a large manufacturing facility. Welding fume metals and irritant gases nitrogen dioxide (NO2) and ozone (O3) were sampled for thirty-eight workers. Personal exposure air samples for welding fume metals were collected on 37 mm open face cassettes and ni...
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Pterygium is a fibrovascular proliferative disorder in which conjunctival tissue grows medially to cover the clear cornea. It is well known that outdoor work in situations with high light reflectivity enhances pterygium development. Surgical resection is not always necessary for patients without visual disturbance or cosmetic complaint. A 63yearold woman presented with a 5year history of a slow...
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Background: Iron and steel based industries use welding as an integral process. About two percent of the working population is engaged in some type of welding. Welding fumes consist of a wide range of complex metal oxide particles which can be deposited in all regions of the respiratory tract. Thus, welding process seems to be simple but its health implications are complex. Materials and method...
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BACKGROUND In 2011, the Department of Health in England recommended that welders should each receive a single dose of the 23-valent pneumococcal polysaccharide vaccine (PPV23). AIMS To assess the evidence behind the advice and its practical implications. METHODS The review was informed by a systematic search in Medline, which related pneumonia to welding and/or exposure to metal fume, and w...
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ژورنال
عنوان ژورنال: British Journal of Ophthalmology
سال: 1984
ISSN: 0007-1161
DOI: 10.1136/bjo.68.5.347