B-mode ultrasound assessment of pupillary function: Feasibility, reliability and normal values.
Felix A SchmidtKlemens RuprechtFlorian ConnollyMatthew B MaasFriedemann PaulJan HoffmannLutz HarmsStephan J SchreiberPublished in: PloS one (2017)
B-mode ultrasound is a simple, rapid and objective method for the quantitative assessment of pupillary function, which may prove useful in a variety of settings where eyelid retraction is impeded or an infrared pupillometry device is unavailable.