A simple B-scan ultrasonoscope.
D002648:Child; D005129:Eye Foreign Bodies / Q000175:diagnosis; D005134:Eye Neoplasms / Q000175:diagnosis; D005910:Glioma / Q000175:diagnosis; D006470:Hemorrhage / Q000175:diagnosis; D006801:Humans; D009900:Optic Nerve; D012163:Retinal Detachment / Q000175:diagnosis; D013690:Television; D014159:Transducers; D014465:Ultrasonics / Q000295:instrumentation*; D014463:Ultrasonography; D014822:Vitreous Body