The lens of the eye is sensitive to radiation during routine Cranial CT
The AttenuRad CT Eye Shield is a single-piece bismuth impregnated synthetic rubber covering designed to provide significant protection
The shield molds over the patient's nasal bridge with the shielding portions laying flat over the patient's closed eyes
Adhesive material ensures a tight seal with minimal air gaps
This shield is cut to a thickness of 1 mm, allowing for about a 50% dose savings to the eye lens
The AttenuRad CT Eye Shield, which can be used for both adults and pediatrics, is intended to be a single use product because of potential biological contamination
F & L Medical
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Do the bismuth eye shields introduce any artifacts when doing brain scanning (e.g., FDG) using PET/CT and measured attenuation?
Per our plant, we have not had reports of artifact generation with measured dose scans. However, we have had multiple reports of the AttenuRads being less effective on measured dose machines. Most facilities are angling the gantry such that the lens of the eye is not much impacted by the main beam, and using the eye shields as an extra measure of protection. We always recommend phantom studies prior...