Fig. 5. Light micrograph of ciliary processes (asterisks) shows each process contains a fibrovascular core with large diameter capillaries (arrow). NPE, Nonpigmented ciliary epithelium; PE, pigmented ciliary epithelium. (Lütjen-Drecoll E: Functional morphology of the ciliary epithelium. In: Lütjen-Drecoll E (ed): Basic Aspects of Glaucoma Research. Stuttgart, Germany: FK Schattauer, 1982, p 79.)