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Commentary No. 026 - Guidance on Radiation Dose Limits for the Lens of the Eye (2016)

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Category: Commentary

The National Council on Radiation Protection and Measurements (NCRP), with financial support from the Centers for Disease Control and Prevention and the U.S. Nuclear Regulatory Commission, addresses radiation protection principles with respect to the lens of the eye, summarizes the current understanding of eye biology and lens effects (including ionizing radiation effects), reviews and evaluates the current epidemiology related to ionizing radiation and cataracts, assesses exposed populations with the potential for significant radiation exposures to the lens, and makes conclusions and recommendations. Commentary No. 26, Guidance on Radiation Dose Limits for the Lens of the Eye, takes into account the most current information regarding the epidemiologic and mechanistic understanding of the development of cataracts and specifically addresses four core questions:
  • Should radiation-induced cataracts be characterized as stochastic effects or tissue reactions?
  • What effects do linear-energy transfer, dose rate, acute and/or protracted dose delivery have on radiation cataract induction and progression?
  • How should detriment be measured and/or evaluated for radiation cataracts?
  • Based on current evidence, should NCRP change the recommended annual occupational equivalent dose limit for the lens of the eye?
Scientific Committee:
EA Blakely, Co-Chair
LT Dauer, Co-Chair
EA Ainsbury
JR Dynlacht
DG Hoel
BEK Klein
DM Mayer
CR Prescott
RH Thornton
E Vano
GE Woloschak

CM Flannery
LE Goldstein
N Hamada
PK Tran
I Disagree
I Agree

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