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目的了解水平肌斜视术后眼球屈光状态的变化及不同术式对屈光的影响,旨在掌握斜视术后屈光状态改变的一般规律。方法用散瞳验光和计算机辅助的角膜地形图检查,对56例81眼水平斜视患者手术前1天、手术后1周、4周、8周的屈光状态进行动态分析。结果各组的角膜曲率及散光值手术前后均有显著性差异;I组柱镜屈光度术后差异有显著性;Ⅱ组球镜、柱镜屈光度术后差异均有显著性;不同年龄组比较术后散光值差异有显著性。结论水平斜视手术对眼球屈光状态的改变主要是对角膜的影响,手术早期可导致角膜屈光度增加,散光加大,这种改变可恢复,不会对视功能造成远期影响。不同术式、不同年龄对屈光状态的影响不同,所需恢复时间也不同。
Objective To understand the changes of refractive status of the eyeball and the effect of different surgical procedures on the refraction of the eye in order to understand the general rules of refractive status change after strabismus surgery. Methods Mydriatic optometry and computer-assisted corneal topography were used to analyze the dynamic state of 56 eyes of 81 eyes with horizontal strabismus one day before surgery, one week after surgery, four weeks and eight weeks after operation. Results There were significant differences in corneal curvature and astigmatism before and after operation in each group. There was significant difference in postoperative IOL in postoperative group I and II After astigmatism difference was significant. Conclusions The changes of refractive status in the eyes due to horizontal strabismus operation mainly affect the cornea. In the early stage of surgery, corneal refractive power increases and astigmatism increases. Such changes can be recovered without long-term effects on visual function. Different surgical procedures, different ages have different effects on refractive status, and the recovery time required is also different.