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Radiation Protection Dosimetry Advance Access published online on November 23, 2004
Radiation Protection Dosimetry, doi:10.1093/rpd/nch427
Copyright © 2004 Oxford University Press.
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Received June 21, 2004
Revised October 5, 2004
Accepted October 27, 2004

SCIENTIFIC NOTE

CATARACTS IN RETIRED ACTINIDE-EXPOSED RADIATION WORKERS

Baruch S. Jacobson 1*

1 U. S. Transuranium and Uranium Registries, Washington State University--TriCities Richland, WA 99354, USA

* To whom correspondence should be addressed.
Baruch S. Jacobson, E-mail: zaptwice{at}verizon.net


  Abstract

Radiation-induced cataracts are predominantly of the posterior sub-capsular (PSC) type, whereas about 90% of age-related cataracts are of other types. Retired workers, likely to have transuranic body burdens, from three DOE-supported installations were questioned regarding their eye-care history and asked for permission to contact their eye-care providers regarding any cataracts. In 97 cases with lifetime exposure records 20 cases (20.6%) were reported to have PSC cataracts. However, of 24 individuals with recorded lifetime doses of 200-600 mSv, nine (37.5%) had PSC cataracts, compared with 15.1% of 73 cases with doses of less than 200 mSv. This difference is statistically significant at the 5% level.


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