The blood supply of the optic nerve head and the evaluation of it - myth and reality.

摘要: Evidence has gradually emerged that there is vascular insufficiency in the optic nerve head (ONH) both anterior ischemic neuropathy (AION) and glaucomatous (GON); thus represent disorders of ONH. Together these diseases constitute a major cause blindness or seriously impaired vision man. Consequently recently been great interest ONH circulation health disease how to evaluate it. Many studies subject have published, with conflicting interpretations claims. The basis inconsistent information seems be confusion on some fundamental issues concerning itself. objective this paper differentiate myths misconceptions from reality about blood supply; elucidate reasons for disagreement supply ONH; reliability validity various methods currently used measure flow.