Abstract
Objective To appraise the applied value about Orbscan Ⅱ in excimer laser corneal refractive surgery. Methods Orbscan Ⅱ was uesd in 600 cases (1196 eyes) to screen the patients who were not suitable for LASIK,including keratoconus,suspected keratoconus and the patients whose central corneal thickness were too thin. Two handred postoperative cases (400 eyes) were checked using Orbscan Ⅱ to examine the eccentric cutting,the central island and so on. Results 5 cases( 10 eyes) of keratoconus and 56 eyes with thin corneal thickness were found,each percentage were 0. 84% and 4. 68%. 9 eyes(2. 25% ) of eccentric cutting were checked,and none central island. Conclusion As an important preoperative examination , Orbscan Ⅱ measurement provides important basis for designation of the surgical treatment and postoperative evaluation of efficacy. Key words: OrbscanⅡ anterior segment diagnosing system; corneal refractive surgery,excimer laser
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