Eye dose measurements using conventional and rare-earth screens during tomography of the para-nasal sinuses.
AbstractEye dose measurements have been performed when using medium speed conventional and rare-earth screen-film combinations during tomography of the para-nasal sinuses. The measurements show that using conventional intensifying screens with the A.P. view a total eye dose of about 20 rad may be given during an examination. This eye dose can be reduced by 98% using the P.A. position. If rare-earth screen/film combinations are employed the eye dose measured in the A.P. view was reduced by 75% of that obtained with conventional screens without detectable loss of image quality. A total eye dose reduction of about 99.5% was measured in the P.A. view with the rare-earth systems.
CitationEye dose measurements using conventional and rare-earth screens during tomography of the para-nasal sinuses. 1977, 50 (592):266-70 Br J Radiol
JournalThe British Journal of Radiology
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