Film viewing conditions in mammography.
A requirement for a minimum viewing box brightness of 3000 cd m-2 for reading mammograms has been widely advocated. Some recent work has challenged that opinion by reporting no significant variation in visibility of low contrast and fine detail objects over a wide range of brightness levels. This paper provides further experimental evidence to support the latter conclusion, at least over the range 1340-4190 cd m-2, and suggests that the currently recommended minimum viewing box brightness levels need to be revised. The importance of reducing room lighting levels is fully confirmed.
Hill
S J
SJ
Integrated Radiological Services Ltd, Unit 188, Liverpool, UK.
Faulkner
K
K
Law
J
J
Starritt
H C
HC
D001943:Breast Neoplasms / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008029:Lighting; D008327:Mammography; D019047:Phantoms, Imaging; D014962:X-Ray Film