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No Evidence for the Causation by Cosmic Radiation of Nuclear Cataracts in Pilots—Reply
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In reply
We are grateful to Dr Facius for his comments regarding our article that appeared in the ARCHIVES in the section for epidemiology.1 Dr Facius uses the title of our article as a basis for his own interpretations of our work and seems to overlook the epidemiological comprehension of the risk concept. We agree with Dr Facius that the exposure of the pilots to cosmic radiation is about 50% "due to energetic neutrons with poorly defined relative biological effectiveness (RBE) for cataractogenesis at low doses." Relative biological effectiveness was defined in an attempt to help us to understand the harmful effect of ionizing radiation; however, if the exposure of commercial pilots to cosmic radiation leads to nuclear cataracts, this might call for reevaluation of the RBE for neutrons. New knowledge on the health effects of radiation has been emerging over a long time, as the history of the . . . [Full Text of this Article]
AUTHOR INFORMATION
Vilhjalmur Rafnsson, MD, PhD;
Eydis Olafsdottir, MD;
Jon Hrafnkelsson, MD;
Hiroshi Sasaki, MD;
Arsaell Arnarsson, MSc;
Fridbert Jonasson, MD
RELATED LETTER
No Evidence for the Causation by Cosmic Radiation of Nuclear Cataracts in Pilots
Rainer Facius
Arch Ophthalmol. 2006;124(9):1369-1370.
EXTRACT
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RELATED ARTICLE
Cosmic Radiation Increases the Risk of Nuclear Cataract in Airline Pilots: A Population-Based Case-Control Study
Vilhjalmur Rafnsson, Eydis Olafsdottir, Jon Hrafnkelsson, Hiroshi Sasaki, Arsaell Arnarsson, and Fridbert Jonasson
Arch Ophthalmol. 2005;123(8):1102-1105.
ABSTRACT
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