超声乳化术后聚甲基丙烯酸甲酯和硅酮人工晶状体的位置
Position of poly(methyl methacrylate) and silicone intraocular lenses after phacoemulsification.
作者信息
Wang M C, Woung L C, Hu C Y, Kuo H C
机构信息
Department of Ophthalmology, Taipei Municipal Yang-Ming Hospital, Taiwan, Republic of China.
出版信息
J Cataract Refract Surg. 1998 Dec;24(12):1652-7. doi: 10.1016/s0886-3350(98)80359-3.
PURPOSE
To compare the positional change of poly(methyl methacrylate) (PMMA) and silicone intraocular lenses (IOLs) in vivo after phacoemulsification.
SETTING
Taipei Municipal Yang-Ming Hospital, Taipei, Taiwan.
METHODS
A prospective study of 70 cataractous eyes treated by phacoemulsification with IOL implantation was carried out. The eyes were randomized into 2 groups based on IOL type: 1-piece PMMA IOL; 3-piece silicone IOL. The amount of IOL tilt and decentration was measured and anterior chamber depth (ACD) determined by Scheimpflug photography using an anterior eye segment analysis system (EAS-1000, Nidek). All eyes were examined 1 week and 1 to 6 months after surgery.
RESULTS
No statistically significantly differences were found in the amount of tilt and decentration between 2 IOL types throughout the study. The ACDs were relatively constant in both groups through the early postoperative periods.
CONCLUSION
The stability of PMMA and silicone IOLs were the same after phacoemulsification.
目的
比较超声乳化术后聚甲基丙烯酸甲酯（PMMA）人工晶状体和硅酮人工晶状体在体内的位置变化。
设置
台湾台北市阳明医院。
方法
对70只接受超声乳化联合人工晶状体植入术治疗的白内障眼进行前瞻性研究。根据人工晶状体类型将眼睛随机分为2组：单片式PMMA人工晶状体；三片式硅酮人工晶状体。使用眼前节分析系统（EAS - 1000，尼德克）通过Scheimpflug摄影测量人工晶状体的倾斜和偏心量，并确定前房深度（ACD）。所有眼睛在术后1周以及术后1至6个月进行检查。
结果
在整个研究过程中，两种人工晶状体类型在倾斜和偏心量方面未发现统计学上的显著差异。两组在术后早期的前房深度相对稳定。
结论
超声乳化术后PMMA人工晶状体和硅酮人工晶状体的稳定性相同。
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