Meinhold J R
J Am Optom Assoc. 1996 May;67(5):279-82.
Arteriovenous communications of the retina (AVCR) is a rare, congenital, retinal vascular anomaly. Usually it is unilateral, with a predilection for the papillomacular area and superotemporal quadrant of the retina. Men and women are equally affected, and rarely is this condition inherited.
A 32-year-old woman was examined with complaints of blurred vision in the left eye after viewing a solar eclipse through a telescope. A complete eye examination showed no visible damage from viewing the eclipse, but a suspected AVCR in the left retina was observed. The patient was referred to a retina specialist for further evaluation.
The patient was diagnosed with a grade II AVCR in the left eye. An MRI of the head and orbits showed no intracranial AV malformations.
This case agrees with the expected findings for a grade I or II AVCR. Visual acuity is usually unaffected, and associated systemic AV communications are typically not found in a grade I or II AVCR. Grade III AVCR is the most severe form, and is often linked with a life-threatening midbrain AV malformation.
视网膜动静脉交通（AVCR）是一种罕见的先天性视网膜血管异常。通常为单侧性，好发于视网膜的乳头黄斑区和颞上象限。男性和女性受影响的几率相同，且这种情况很少遗传。
一名32岁女性因通过望远镜观看日食后左眼视力模糊前来就诊。全面的眼部检查显示，观看日食未造成可见损伤，但观察到左视网膜疑似存在AVCR。该患者被转诊至视网膜专科医生处进行进一步评估。
该患者被诊断为左眼II级AVCR。头部和眼眶的MRI检查显示无颅内动静脉畸形。
该病例与I级或II级AVCR的预期表现相符。视力通常不受影响，I级或II级AVCR通常不会出现相关的全身性动静脉交通。III级AVCR是最严重的形式，常与危及生命的中脑动静脉畸形相关。
