Voluntary propulsion of the eyes.
D000328:Adult; D003371:Cough / Q000150:complications; D005094:Exophthalmos / Q000209:etiology; D005133:Eye Movements; D006801:Humans; D008297:Male; D009801:Oculomotor Muscles / Q000502:physiology; D014636:Valsalva Maneuver / Q000009:adverse effects; D014839:Vomiting / Q000150:complications