[The morphological substrate and histogenesis of systemic and ocular atherosclerosis]

The atherosclerosis is an complex pathologic process with thrombosis and vessels obstructions. At the cerebral level, atherosclerosis determines lesions especially at the Willis circle vessels, and his peripheral ramifications (ophthalmic artery). The authors presents the atherosclerotic lesions at the level of ocular vessels, and their consequence at the central retinal artery, and other ocular vessels.