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목적 : To investigate normative angle kappa data and to examine whether or not correlations exist between angle kappa and ocular biometric measures (e.g., refractive error, axial length) and demographic features in Koreans.
방법 : Data from 436 patients (213 males and 223 females) were analyzed in this study. Angle kappa was measured from Orbscan II topography (Orbtek Inc, Bausch & Lomb, Rochester, NY). We used ocular biometric measures, including refractive spherical equivalent, interpupillary distance and axial length, to investigate correlations between angle kappa and ocular biometric measures. The IOL Master (Version 5.02, Carl Zeiss, Jena, Germany) was used to obtain axial length.
결과 : Mean patient age was 57.5 ± 12.0 years in men and 59.4 ± 12.4 years in women (P = 0.11). Angle kappa averaged 4.70 ± 2.70 degrees in men and 4.89 ± 2.14 degrees in women (P = 0.48). Axial length and spherical equivalent were highly correlated with angle kappa (r = -0.342 and r=0.197 respectively). The correlation between axial length and spherical equivalent was shown a high negative correlation (r=-0.540, P < 0.001)
결론 : Angle kappa increases with spherical equivalent and age. Thus, manipulation that is more careful should be considered in old patients and in hyperopic patients when planning refractive or strabismus surgery.
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