title: Radiation exposure to the ocular lens during CT scanning.
abstract: Measurements of radiation exposure during routine CT scanning were found to average 4.2 R at the level of the ocular lens. This data was combined with CT scanning rate data from a sample of 100 patients followed in the myelomeningocele clinic. The number of scans averaged 7.75/patient with a range of 0-34 scans. Cumulative radiation exposure to date ranged from 0 to 143 R. Radiation dosage nomenclature and acceptable limits are discussed and recommendations for reduction of dosage are presented.
authors.affiliation: Northwestern University Medical School, Chicago, Ill.
authors.forename: B B
authors.initials: BB
authors.lastname: Storrs
authors.forename: S E
authors.initials: SE
authors.lastname: Byrd
mesh_terms: D002648:Child; D005131:Eye Injuries / Q000209:etiology*; D005260:Female; D006801:Humans; D007908:Lens, Crystalline / Q000528:radiation effects*; D008297:Male; D011832:Radiation Injuries / Q000209:etiology*; D014057:Tomography, X-Ray Computed / Q000009:adverse effects*