国际眼科杂志Issue(12)：2554-2556,3.DOI:10.3980/j.issn.1672-5123.2013.12.60
飞秒激光辅助 LASIK 术后早期角膜生物力学各指标的变化
Short - term changes of corneal biomechanical properties after FS-LASIK
李福生 1尹鸿芝 1安伟丽 1孟玉玲 1魏胜兰 1汪丽 1李美凤 1周跃华2
作者信息
- 1. 100062 中国北京市，北京茗视光眼科诊所
- 2. 100730 中国北京市，首都医科大学附属北京同仁眼科中心
- 折叠
摘要
Abstract
AIM: To investigate the changes of corneal biomechanics after Femto LDV laser flapping in laser in situ keratomileusis ( LASIK) . <br> METHODS: Preoperatively, 3 months, 6 months after LASIK, 93 myopia patients ( 186 eyes ) in flapping procedure by Femto LDV laser were examined by Ocular response analyzer (ORA).The central corneal thickness ( CCT ) was also measured by ultrasonic pachymetry. Parameters were compared between postoperative ( 3 months) and preoperative, postoperative (6 months). Comparisons included the corneal thickness and corneal compensated intraocular pressure ( Iopcc ) , Goldmann correlated IOP value ( Iopg ) , corneal resistance factor ( CRF) , corneal hysteresis ( CH) . <br> RESULTS: The CCT ( 447.61 ±39.57μm ) were significantly changed comparing with preoperative (539.88±29.72μm) (t=-47.223;P=0.000).The CCT of 6 months postoperative ( 448.78 ±39.19μm ) was slightly thicker than that of 3 months'(t=2.15,P=0.033).Iopcc, Iopg of 3 months after LASIK (13.75±2.13, 9.54±2.35) mmHg were significantly changed comparing with preoperative (16.29±2.88, 15.09±3.29 )mmHg (t=-13.604,-23.594;P=0.000, 0.000).The difference was (2.55 ±2.25, 5.55 ± 3.21) mmHg.There were no significant changes between Iopcc, Iopg of 6 months (13.61±1.96,9.32±2.07)mmHg and that of 3 months after LASIK. CRF and CH of 3 months after LASIK (6.36±1.45,7.71±1.30)mmHg were significantly changed comparing with preoperative's (9.84±1.99,9.77±1.56)mmHg (t=-24.116, -19.171; P=0.000, 0.000).The difference was (3.49 ±1.97, 2.06 ± 1.47 ) mmHg. There were no statistical differences between 6 months (6.24 ±1.38, 7.67 ±1.25) mmHg and 3 months(t=1.456, 0.636;P=0.147, 0.525). <br> CONCLUSION: The corneal biomechanical properties after FS-LASIK are lower than that of preoperative. Corneal biomechanics sustains steadily about 3 months after LASIK.关键词
飞秒激光/角膜厚度/角膜生物力学Key words
femtosecond laser/corneal thickness/corneal biomechanics引用本文复制引用
李福生,尹鸿芝,安伟丽,孟玉玲,魏胜兰,汪丽,李美凤,周跃华..飞秒激光辅助 LASIK 术后早期角膜生物力学各指标的变化[J].国际眼科杂志,2013,(12):2554-2556,3.
