Ultrabiomicroscopy 50 MHz of the involved eye. Ultrabiomicroscopy with 50 MHz probe showing a hyperreflective area at the internal margin of the trabeculectomy (arrow) and the presence of corpuscolated elements in the anterior chamber. The posterior chamber seems to be within normal limits. The lens is correctly placed in the sulcus (on the left side). There are no signs of iris or ciliar processes haemorrhage (on the right side).