During this RSNA again a lot of vendors are showing iPad based viewing of medical imaging. In most cases advocated to be for review only and not for primary diagnosis. However, even for review the quality of the images displayed should be uncompromised. However, internal setting of the level of backlight of the iPad itself and external light sources heavily influence the quality of the image displayed.
BARCO has developed a calibration tool for the iPad called Medical QAWeb Mobile which allows a visual callibration and QA of tablets used for medical imaging viewing. A demo version can be downloaded from the Apple iTunes store. It basically involves tapping a couple of shapes on the screen to determine visibility of certain greylevels.
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