Ocular Characteristics of Pseudophakic Eyes with Malignant Glaucoma

医学 粘连 眼科 超声生物显微镜 眼压 青光眼 假性白内障 视力 玻璃体切除术 超声乳化术 人工晶状体 白内障手术
作者
Yulin Zhang,Li Wang,Hong-Liang Lin,Beiting He,Yiliang Liu,Baodi Yang,Yanlei Chen,Yongyi Niu,Yongjie Qin,Hongyang Zhang
出处
期刊:Ophthalmic Research [Karger Publishers]
卷期号:66 (1): 1159-1168
标识
DOI:10.1159/000533496
摘要

The aim of the study was to investigate the clinical characteristics and treatment outcomes of the pseudophakic eyes with malignant glaucoma (MG).This retrospective case-control study enrolled 53 eyes of 47 patients with primary angle-closure glaucoma having cataract surgery history, including 19 patients (25 eyes) diagnosed with MG and 28 patients (28 eyes) without MG as the match. Among patients diagnosed with MG, 14 patients (18 eyes) underwent zonulo-hyaloido-vitrectomy (ZHV) and the other 5 patients (7 eyes) received conservative treatments. The visual acuity, refraction status, intraocular pressure (IOP), extent of peripheral anterior synechia, classes of anti-glaucoma medications, and ultrasound biomicroscopy (UBM) examination were recorded before cataract surgery, at the diagnosis of MG, and 3 months after ZHV or atropine application, respectively.In the pseudophakic eyes with MG, the IOP cannot be well controlled compared to the matched eyes (27.24 ± 8.72 mm Hg vs. 14.30 ± 2.63 mm Hg, p < 0.001). In addition, there was a difference in the average spherical equivalent refractive error between 2 groups of patients (-2.23 ± 0.84 D in MG vs. -0.12 ± 0.64 D in the matched eyes, p < 0.001). By UBM analysis, the anterior chamber depth (ACD) was shallower in MG than that in the matched eyes (2.34 ± 0.20 mm vs. 3.47 ± 0.29 mm, p < 0.001). The difference between the anterior vault distance of the pseudophakic eyes with MG and that of the matched eyes was also significant (p < 0.001). After treated with ZHV, the IOP was greatly decreased from 27.84 ± 10.14 mm Hg to 15.85 ± 4.41 mm Hg (p < 0.001). The refractive error also changed from -2.11 ± 0.91 D to +0.42 ± 0.99 D (p < 0.001). At the same time, the central ACD was significantly deepened from 2.30 ± 0.39 mm to 3.30 ± 0.31 mm (p < 0.001).Uncontrolled IOP and shallow anterior chamber both centrally and peripherally are the primary clinical characteristics for the pseudophakic eyes with MG. An unexpected refractive error or myopic shift for the eyes with PACG after cataract surgery can be an important hint for diagnosis of MG. The typical UBM image is an anterior displacement of the lens-iris diaphragm and a bow-shaped change of the intraocular lens. It is an effective way to treat pseudophakic MG with the ZHV through a peripheral iridectomy.
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