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人工晶状体植入术后角膜移植的视觉预后

Visual prognosis in pseudophakic corneal transplants.

作者信息

Charlton K H, Binder P S, Perl T

出版信息

Ophthalmic Surg. 1981 Jun;12(6):411-9.

PMID:7022299
Abstract

Although the prognosis for obtaining a clear corneal transplant after aphakic bullous keratopathy is good, many patients do not achieve good vision primarily because of macular disease. To evaluate the visual benefit of an intraocular lens on corneal transplantation, we performed a retrospective study comparing the best attained and latest visual acuities, corneal thinning patterns, endothelial cell densities, and postkeratoplasty complications in 31 patients with aphakic bullous keratopathy, 19 patients with pseuodphakic bullous keratopathy, 44 combined transplants with cataract extraction and 5 secondary lens implants at the time of keratoplasty. We found the presence of a lens provided patients with early functional visual rehabilitation. Subsequent visual acuity was equivalent in similar corneal disease categories. The presence of a lens did not produce additional endothelial cell loss, abnormal corneal thinning patterns, or increase the incidence of complications. The removal of an intraocular lens at transplant did not affect ultimate visual prognosis. We conclude that the implantation of an intraocular lens does not increase complications after keratoplasty in selected cases.

摘要

尽管无晶状体大泡性角膜病变后进行透明角膜移植的预后良好,但许多患者主要由于黄斑疾病而未获得良好视力。为评估人工晶状体在角膜移植中的视觉益处,我们进行了一项回顾性研究,比较了31例无晶状体大泡性角膜病变患者、19例假晶状体大泡性角膜病变患者、44例联合白内障摘除的角膜移植患者以及5例角膜移植时二期植入人工晶状体患者的最佳及最新视力、角膜变薄模式、内皮细胞密度和角膜移植术后并发症。我们发现人工晶状体的存在为患者提供了早期功能性视力康复。在相似的角膜疾病类别中,后续视力相当。人工晶状体的存在并未导致额外的内皮细胞丢失、异常的角膜变薄模式或增加并发症发生率。移植时取出人工晶状体并不影响最终的视觉预后。我们得出结论,在特定病例中,人工晶状体植入不会增加角膜移植术后的并发症。

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