title: Ultrasonic irradiation and pupillary response.
abstract: The effect of ultrasonic irradiation on the pupillary response was investigated over an intensity range from 0.1-1.5 W cm-2 measured at the surface of the applicator head at frequencies of 0.8 and 2.4 MHz.
mesh_terms: D006801:Humans; D012025:Reflex, Pupillary; D014464:Ultrasonic Therapy; D014465:Ultrasonics; D014463:Ultrasonography