Ohno-Matsui K, Futagami S, Yamashita S, Tokoro T
Department of Ophthalmology, School of Medicine, Tokyo Medical and Dental University, Japan.
Br J Ophthalmol. 1998 Dec;82(12):1357-62. doi: 10.1136/bjo.82.12.1357.
To delineate the entire Zinn-Haller arterial ring angiographically in vivo.
382 highly myopic eyes (210 patients) with refractive errors greater than -8.25 D were examined using indocyanine green (ICG) videoangiography. A control group of 80 eyes (40 patients) had refractive errors within plano +/- 3D.
The Zinn-Haller ring was visible in 206 of 382 highly myopic eyes (53.9%) by ICG angiography. Although only a part of the Zinn-Haller ring was visible in 162 of 206 eyes, in the remaining 44 eyes it was observed almost completely around the optic nerve head. No anastomotic channels between lateral and medial short posterior ciliary arteries were filled by ICG angiography. In 22 of the 44 eyes (50.0%) the Zinn-Haller ring was supplied by branches of the lateral and medial short posterior ciliary arteries; in seven eyes, it was supplied only by the lateral short posterior ciliary artery; and in seven eyes, it was supplied only by the medial short posterior ciliary artery. In none of the control subjects was the Zinn-Haller ring visible by ICG angiography.
The Zinn-Haller ring observed by ICG angiography was not a complete collateral circle between lateral and medial posterior ciliary arteries. Also, the patterns in supply vessels to the Zinn-Haller ring varied. ICG angiography made possible the detailed observation of the Zinn-Haller ring in human eyes in vivo.
在体内通过血管造影描绘整个齐恩-哈勒动脉环。
对382只屈光不正大于-8.25D的高度近视眼（210例患者）采用吲哚菁绿（ICG）视频血管造影进行检查。80只眼（40例患者）的对照组屈光不正度数在±3D范围内。
通过ICG血管造影，在382只高度近视眼中有206只（53.9%）可见齐恩-哈勒环。虽然在206只眼中有162只仅可见齐恩-哈勒环的一部分，但在其余44只眼中，几乎在视神经乳头周围都能观察到该环。ICG血管造影未显示外侧和内侧睫状后短动脉之间的吻合通道。在44只眼中的22只（50.0%），齐恩-哈勒环由外侧和内侧睫状后短动脉的分支供血；7只眼仅由外侧睫状后短动脉供血；7只眼仅由内侧睫状后短动脉供血。在对照组中，ICG血管造影均未显示齐恩-哈勒环。
ICG血管造影观察到的齐恩-哈勒环并非外侧和内侧睫状后动脉之间完整的侧支循环环。此外，齐恩-哈勒环的供血血管模式各不相同。ICG血管造影使在活体人眼中详细观察齐恩-哈勒环成为可能。
