| Civilian pilot exposure to ultraviolet and blue light and pilot use of sunglasses. | |
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MedLine Citation:
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PMID: 21888274 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Population and animal studies indicate that long-term exposure to short-wavelength visible light and ultraviolet (UV) radiation causes increased risk of certain ocular pathologies such as cataracts and maculopathy. The potential risk to flight crew is unknown. The UK Civil Aviation Authority (CAA) has issued guidance to pilots regarding sunglass selection; however, it is not known if this guidance is appropriate given pilots' unique occupational environment. A search and appraisal of the relevant literature was conducted which showed that within the airline pilot population, there is limited evidence of a higher prevalence of cataracts. There are no data of other known UV-related ocular pathology. There is some evidence of higher prevalence of skin melanomas. Studies measuring cockpit UV radiation levels are limited and leave unanswered questions regarding airline pilot exposure. Data from optical transmission of cockpit windshields demonstrates the UV blocking properties at sea level. No studies have addressed the occupational use of sunglasses in airline pilots. Although it is likely that an aircraft windshield effectively blocks UV-B, the intensity of UV-A and short wavelength blue light present within the cockpit at altitude is unknown. Pilots may be exposed to solar radiation for periods of many hours during flight where UV radiation is known to be significantly greater. Aircraft windshields should have a standard for optical transmission, particularly of short-wavelength radiation. Clear, untinted prescription glasses will offer some degree of UV protection; however, sunglasses will offer superior protection. Any sunglasses used should conform to a national standard. |
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Authors:
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Adrian C Chorley; Bruce J W Evans; Martin J Benwell |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Aviation, space, and environmental medicine Volume: 82 ISSN: 0095-6562 ISO Abbreviation: Aviat Space Environ Med Publication Date: 2011 Sep |
Date Detail:
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Created Date: 2011-09-05 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7501714 Medline TA: Aviat Space Environ Med Country: United States |
Other Details:
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Languages: eng Pagination: 895-900 Citation Subset: IM; S |
Affiliation:
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Civil Aviation Authority, West Sussex, UK, and London South Bank University, London, UK. adrian.chorley@.caa.co.uk |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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