PHOTOREFRACTIVE KERATECTOMY TO CORRECT ASTIGMATISM WITH MYOPIA OR HYPEROPIA

被引：39

作者：

DAUSCH, D ^{[1
]}

KLEIN, R ^{[1
]}

LANDESZ, M ^{[1
]}

SCHRODER, E ^{[1
]}

机构：

[1] UNIV GRONINGEN HOSP,DEPT OPHTHALMOL,OOSTERSINGEL 59,9713 EZ GRONINGEN,NETHERLANDS

来源：

JOURNAL OF CATARACT AND REFRACTIVE SURGERY | 1994年 / 20卷

关键词：

ASTIGMATISM; EXCIMER LASER; IRREGULAR ASTIGMATISM; MIXED ASTIGMATISM; MYOPIC ASTIGMATISM; PHOTOREFRACTIVE KERATECTOMY; SIMPLE ASTIGMATISM;

D O I：

10.1016/S0886-3350(13)80762-6

中图分类号：

R77 [眼科学];

学科分类号：

100212 ;

摘要：

Excimer laser photorefractive keratectomy as a means to flatten the central cornea has generated considerable interest. With this technique radial symmetric ablations can be performed to correct myopic refractive errors and excise superficial corneal pathology. We developed a technique that uses toric ablation to correct astigmatism. A new mask was designed for the MEL 60 Aesculap-Meditec excimer laser. The mask can be rotated regularly over 360 degrees. By varying the angular distances, the surgeon can increase ablation depth in any desired meridian. As a result, both cylindrical and spherical errors can be corrected in one procedure. Seventy-three eyes with either simple, myopic, mixed, or irregular astigmatism were treated. In each category of astigmatism, the surgery reduced the spherical component as well as the overall mean preoperative cylindrical refraction. Our findings suggest that this technique is a safe and effective procedure for correcting different types of astigmatism.

引用

页码：252 / 257

页数：6

共 9 条

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