Fig. 38. Posterior zonular bundles and the anterior hyaloid membrane (AHM). A. Irregular retraction of the AHM from the posterior zonular insertion in a 3-year-old patient. Note layering of posterior zonular bundles (SEM, × 90). B. Complete retraction of the AHM to the end of the posterior zonular fibers (Z) in a 71-year-old patient (SEM, × 400).