發(fā)布時(shí)間：2019-02-09 16:07

【摘要】：目的研究飛秒激光輔助LASIK治療高角膜前表面屈光力近視患者術(shù)后角膜生物力學(xué)的變化情況。方法高角膜前表面屈光力近視患者64例104只眼,根據(jù)ORBSCAN角膜地形圖檢查角膜前表面屈光力不同,分為實(shí)驗(yàn)組和對(duì)照組兩組。實(shí)驗(yàn)組患者32例52只眼,角膜前表面屈光力47 D;對(duì)照組患者32例52只眼,角膜屈光力47 D。兩組患者均采用飛秒激光輔助LASIK手術(shù)治療,觀察兩組患者術(shù)前、術(shù)后3和6個(gè)月角膜前表面屈光力、眼反應(yīng)分析儀檢測(cè)的角膜補(bǔ)償眼壓、Goldmann相關(guān)眼壓、角膜阻力因子、角膜滯后量以及超聲測(cè)量中央角膜厚度的變化。結(jié)果兩組患者角膜厚度、ORA各測(cè)量值及角膜前表面屈光力術(shù)后3個(gè)月的測(cè)量值明顯低于術(shù)前,差異均有顯著意義(P0.05);兩組患者術(shù)后3個(gè)月的測(cè)量值與術(shù)后6個(gè)月比較,差異無(wú)顯著意義(P0.05)。結(jié)論飛秒激光輔助LASIK手術(shù)治療單純角膜前表面屈光力47 D但角膜后表面高度正常、角膜厚度正常的患者,其術(shù)后3個(gè)月后角膜生物力學(xué)各測(cè)量值基本穩(wěn)定,術(shù)后6個(gè)月角膜生物力學(xué)與正常角膜前表面屈光力改變基本一致。
[Abstract]:Objective to study the changes of corneal biomechanics in patients with high anterior surface refractive myopia treated with femtosecond laser assisted LASIK. Methods Sixty-four eyes of 64 patients with high corneal anterior surface refraction myopia were divided into experimental group and control group according to ORBSCAN corneal topography. The refractive power of the anterior corneal surface was 47 D in the experimental group (n = 32) and in the control group (n = 52). The patients in both groups were treated with femtosecond laser assisted LASIK operation. The refractive power of the anterior surface of cornea was observed 3 and 6 months before operation, and the corneal compensation intraocular pressure, Goldmann related intraocular pressure and corneal resistance factor were measured by eye response analyzer. Corneal hysteresis and central corneal thickness were measured by ultrasound. Results the corneal thickness, ORA and refractive power of anterior corneal surface in the two groups were significantly lower than those before operation (P0.05). There was no significant difference between the two groups in 3 months after operation and 6 months after operation (P0.05). Conclusion Femtosecond laser assisted LASIK surgery in the treatment of patients with simple corneal anterior surface refractive power 47D but normal posterior corneal surface height and normal corneal thickness, the biomechanical measurements of cornea were basically stable 3 months after operation. 6 months after operation, corneal biomechanics and normal corneal anterior surface refraction were basically the same.
【作者單位】： 中國(guó)人民解放軍第四六三醫(yī)院眼科;
【分類(lèi)號(hào)】：R779.63

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