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外伤性白内障伴虹膜脱离。

Traumatic cataract with iridodialysis.

机构信息

Singapore.

出版信息

J Cataract Refract Surg. 2024 Nov 1;50(11):1191-1196. doi: 10.1097/j.jcrs.0000000000001544.

Abstract

A 56-year-old woman presented with left blurring of vision for 6 months. She gave a history of previous left eye trauma for which she had undergone suturing of a corneal laceration. The right eye was 20/20 and normal. Her left visual acuity was hand motion. A linear corneal scar was present extending obliquely from 5 to 9 o'clock. In addition, there were iridodialysis from 8 to 1 o'clock, a fixed dilated pupil, and extensive zonulysis with displacement of a dense nuclear sclerotic cataract temporally (Figures 1 and 2JOURNAL/jcrs/04.03/02158034-202411000-00015/figure1/v/2024-10-18T161301Z/r/image-tiffJOURNAL/jcrs/04.03/02158034-202411000-00015/figure2/v/2024-10-18T161301Z/r/image-tiff). There was no vitreous in the anterior chamber. The posterior segment appeared normal, as were the intraocular pressures. Ultrasound biomicroscopy of the anterior segment of the left eye confirmed the absence of zonular fibers from 6 to 12 o'clock. Optical coherence tomography was unable to capture any image of the macular or optic nerve. Corneal topography showed irregular astigmatism. The endothelial cell density was 1650 cells/mm2. Describe how you would manage this case surgically, given that her financial resources were limited, and she was unable to afford a prosthetic iris.

摘要

一位 56 岁女性因左眼模糊 6 个月就诊。她曾有左眼外伤史,当时接受了角膜裂伤缝合。右眼视力为 20/20,正常。左眼视力为手动。线性角膜瘢痕从 5 点到 9 点斜向延伸。此外,8 点到 1 点有虹膜脱离,瞳孔固定散大,广泛的悬韧带离断,伴有致密核性白内障向颞侧移位(图 1 和 2)。眼前节超声生物显微镜检查证实左眼 6 点到 12 点无悬韧带纤维。光学相干断层扫描无法捕获黄斑或视神经的任何图像。角膜地形图显示不规则散光。内皮细胞密度为 1650 个细胞/mm2。考虑到她的经济资源有限,无法负担义眼虹膜,描述一下在这种情况下如何进行手术治疗。

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