Leccisotti Antonio, Fields Stefania V, Moore Johnny, Shah Sunil, Moore Tara C B
From the Siena Eye Laser (Leccisotti, Fields), Poggibonsi, Siena, Italy; the School of Biomedical Sciences (Leccisotti, J. Moore, Shah, T.C.B. Moore), University of Ulster, Coleraine, Midland Eye (Shah), Solihull, and the Cathedral Eye Clinic (Moore), Belfast, Northern Ireland, United Kingdom.
From the Siena Eye Laser (Leccisotti, Fields), Poggibonsi, Siena, Italy; the School of Biomedical Sciences (Leccisotti, J. Moore, Shah, T.C.B. Moore), University of Ulster, Coleraine, Midland Eye (Shah), Solihull, and the Cathedral Eye Clinic (Moore), Belfast, Northern Ireland, United Kingdom.
J Cataract Refract Surg. 2016 Jan;42(1):127-31. doi: 10.1016/j.jcrs.2015.07.047.
To evaluate ocular biomechanical parameters with the Corvis ST, a noncontact tonometer combined with an ultra-high-speed Scheimpflug camera, before and after creation of a femtosecond laser-created laser in situ keratomileusis (LASIK) flap.
Private practice, Siena, Italy.
Prospective consecutive study.
Right eyes of patients having LASIK were assessed with the dynamic Scheimpflug camera before and after femtosecond laser (LDV Z4) flap creation but before mechanical flap lifting.
Twenty-eight eyes of 28 patients were evaluated. Before flap creation, the mean values on the dynamic Scheimpflug camera were intraocular pressure (IOP), 15.04 mm Hg ± 3.99 (SD); central pachymetry, 550.8 ± 101.0 μm; applanation 1 length, 1.721 ± 0.134 mm; applanation 2 length, 1.674 ± 0.287 mm; applanation 1 velocity, 0.126 ± 0.031 m/s; and deflection amplitude, 1.039 ± 0.141 mm. After flap creation, the mean values were IOP, 16.10 ± 3.11 mm Hg (95% confidence interval [CI], 0.44-1.78; P < .05); central pachymetry, 561.8 ± 35.9 μm (95% CI, -28.9 to 50.9; P = .21); applanation 1 length, 1.789 ± 0.1492 mm (95% CI, 0.003-0.134; P < .05); applanation 2 length, 1.759 ± 0.259 mm (95% CI, -0.005 to 0.173; P = .08); applanation 1 velocity, 0.136 ± 0.022 m/s (95% CI, 0.001-0.017; P < .05); and deflection amplitude, 1.029 ± 0.151 mm (95% CI: -0.043 to 0.025; P = .34).
The dynamic Scheimpflug camera showed changes in biomechanical properties after femtosecond creation of a LASIK flap as indicated by an increased applanation 1 length and applanation 1 velocity.
No author has a financial or proprietary interest in any material or method mentioned.
使用Corvis ST（一种结合了超高速Scheimpflug相机的非接触眼压计）评估飞秒激光制瓣准分子原位角膜磨镶术（LASIK）瓣制作前后的眼部生物力学参数。
意大利锡耶纳的私人诊所。
前瞻性连续研究。
对接受LASIK手术患者的右眼，在飞秒激光（LDV Z4）制作瓣后但在机械掀起瓣之前，使用动态Scheimpflug相机进行评估。
对28例患者的28只眼进行了评估。瓣制作前，动态Scheimpflug相机上的平均值为眼压（IOP）15.04 mmHg±3.99（标准差）；中央角膜厚度550.8±101.0μm；压平1长度1.721±0.134mm；压平2长度1.674±0.287mm；压平1速度0.126±0.031m/s；以及偏转幅度1.039±0.141mm。瓣制作后，平均值为眼压16.10±3.11 mmHg（95%置信区间[CI]，0.44 - 1.78；P <.05）；中央角膜厚度561.8±35.9μm（95% CI， - 28.9至50.9；P =.21）；压平1长度1.789±0.1492mm（95% CI，0.003 - 0.134；P <.05）；压平2长度1.759±0.259mm（95% CI， - 0.005至0.173；P =.08）；压平1速度0.136±0.022m/s（95% CI，0.001 - 0.017；P <.05）；以及偏转幅度1.029±0.151mm（95% CI： - 0.043至0.025；P =.34）。
动态Scheimpflug相机显示飞秒制作LASIK瓣后生物力学特性发生变化，表现为压平1长度和压平1速度增加。
没有作者对文中提及的任何材料或方法拥有财务或专利权益。
