The Electron Microscopy of the Normal Human Lens.

A general review is presented of our current understanding of the fine structure of the lens, its capsule, and zonular fibers, and illustrated with original material from the human lens. The principal points emphasized include the nature of the capsule as a laminated basement membrane; the relative paucity of extracellular space; the presence of interdigitating cell processes in the epithelium and fibers as xoell as "tight" cell membrane junctions; the progressive increase in cell fibrosity in older and more deeply situated lens areas. A bibliography relating to lens ultrastructure is provided.