CT eye shields
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This CT scan image shows bilateral eye shields.
As the lens of the eye is sensitive to radiation, some institutions provide eye shields during brain scan to minimize eyes irradiation. This protection has been related up to a 50% reduction in radiation to the lens of the eye 1. However it does not promote a significative reduction in radiation dose to the eyes when using an angled gantry 2.
- 1. Hopper KD, Neuman JD, King SH et-al. Radioprotection to the eye during CT scanning. AJNR Am J Neuroradiol. 2001;22 (6): 1194-8. AJNR Am J Neuroradiol (full text) - Pubmed citation
- 2. McLaughlin DJ, Mooney RB. Dose reduction to radiosensitive tissues in CT. Do commercially available shields meet the users' needs?. Clin Radiol. 2004;59 (5): 446-50. doi:10.1016/j.crad.2003.10.016 - Pubmed citation