Abnormal anterior eye segment morphology Posterior capsule opacification 2025-10-28T08:50:49Z Posterior capsule opacification, also known as secondary cataract, is the most frequent complication following manual extracapsular cataract extraction. Secondary cataract results from the proliferation and migration of residual epithelial cells in the posterior region of the lens capsule into the visual axis, leading to thickening and reduction in transparency (opacification), which in turn can cause a decrease in visual acuity. Secondary cataract