Fig. 9

Partial lens dislocation in a 45-year-old man with a history of ocular trauma 2 years earlier. He developed a post-traumatic cataract, and physical examination detected an abnormal vibration or agitated motion of the iris during eye movements—the so-called iridodonesis (movie 1). a US examination with the patient in a supine position showed a globulous lens situated in a normal position, as well as cataracts. b US examination with the patient sitting upright revealed that the lens was detached at the 12 o’clock position. It is sometimes useful to perform US studies with the patient in different positions