Høvding G
Department of Ophthalmology, University of Bergen, Norway.
Acta Ophthalmol (Copenh). 1994 Apr;72(2):246-52. doi: 10.1111/j.1755-3768.1994.tb05024.x.
Postoperative adjustment of a single running penetrating corneal graft suture was done in 19 patients (22 adjustments). The short-term effect of this procedure was a mean reduction of corneal astigmatism of 4.39D (p < 0.0001). Thereafter, the corneal contour was fairly stable, provided that the running suture remained intact and tight. Localized loosening of the graft suture significantly increased the corneal astigmatism. Following removal of the graft suture no statistically significant mean change of corneal astigmatism was found. However, patients with a previously intact running suture tended to show increased astigmatism, while those with a previous localized suture loosening usually showed a decreased astigmatism after suture removal. The main benefit of suture adjustment is apparently the rapid and fairly stable reduction of postkeratoplasty astigmatism usually obtained, but unfortunately this effect seems chiefly to exist only as long as the graft suture remains intact and tight.
对19例患者（共进行22次调整）的单根连续穿透性角膜移植缝线进行了术后调整。该操作的短期效果是角膜散光平均降低4.39D（p < 0.0001）。此后，只要连续缝线保持完整且紧绷，角膜轮廓就相当稳定。移植缝线局部松动会显著增加角膜散光。拆除移植缝线后，未发现角膜散光有统计学意义的平均变化。然而，之前连续缝线完整的患者往往会出现散光增加，而之前有局部缝线松动的患者在缝线拆除后通常散光会降低。缝线调整的主要益处显然是通常能快速且相当稳定地降低角膜移植术后的散光，但不幸的是，这种效果似乎主要仅在移植缝线保持完整且紧绷时才存在。
