Ultrasonic M-mode technique in ophthalmology.
D000065:Accommodation, Ocular; D000818:Animals; D002829:Choroid / Q000033:anatomy & histology / Q000098:blood supply; D004285:Dogs; D005123:Eye / Q000033:anatomy & histology; D006801:Humans; D007908:Lens, Crystalline / Q000033:anatomy & histology; D014159:Transducers; D014465:Ultrasonics / Q000295:instrumentation