Busin M, Spitznas M
University Eye Hospital, Bonn, Federal Republic of Germany.
Ophthalmic Surg. 1991 Mar;22(3):137-41.
A combined surgical procedure consisting of corneal relaxing incisions and epikeratophakia was used to correct high-degree postkeratoplasty astigmatism and aphakia in two patients. Both patients achieved their final refractive result as soon as 1 month after suture removal (2 and 3 months after surgery, respectively). Keratometric readings showed a reduction of approximately 20.00 diopters in one case and 10.00 D in the other, while the spherical equivalent changed from +10.00 D to +0.50 D in one eye and from +7.50 D to +1.75 D in the other. Spectacle correction was prescribed for both patients. At the last follow-up visit, about 2 years after surgery, these values were unchanged. The main advantage of the combined technique over two separate procedures was that postoperative visual rehabilitation was faster. Equally important was the stability of the refractive result over a long period of time after surgery, as well as the absence of negative effects on the preexisting corneal graft. In spite of the technical complexity of a combined surgical procedure, this approach probably represents the best choice in rare cases such as the ones reported here.
一种由角膜松解切口和角膜表层镜片术组成的联合手术方法被用于矫正两名患者的高度角膜移植术后散光和无晶状体状态。两名患者在拆线后1个月(分别为术后2个月和3个月)就达到了最终屈光结果。角膜曲率计读数显示,其中一例降低了约20.00屈光度,另一例降低了10.00 D,而等效球镜度在一只眼中从+10.00 D变为+0.50 D,在另一只眼中从+7.50 D变为+1.75 D。为两名患者都开具了眼镜矫正处方。在术后约2年的最后一次随访时,这些数值未变。联合技术相对于两种单独手术的主要优点是术后视力恢复更快。同样重要的是术后屈光结果在很长一段时间内的稳定性,以及对先前角膜移植片无负面影响。尽管联合手术操作技术复杂,但在像这里报道的罕见病例中,这种方法可能是最佳选择。