Yuge T, Ozasa K, Yamade S
Yuge Eye Clinic, Kyoto City, Japan.
Nippon Ganka Gakkai Zasshi. 1993 May;97(5):619-26.
A correlative investigation of 125 eyes with senile cataractous lenses was conducted to determine the relationships between cortical (CC) and nuclear cataracts (NC), corrected visual acuity (VA), and contrast sensitivity (CS). The CS for the spatial frequency of 1.5 cycles/degree (c/d) and 12.0 c/d was analyzed in particular detail. The results were as follows: (1) CC and CS for both 1.5 and 12.0 c/d showed statistically significant negative correlations with a coefficient (CE) of -0.250 and -0.288 respectively. No correlation was found between CC and VA. (2) NC and VA showed a significant negative correlation with CE of -2.29. No correlation was found between NC and CS for at 1.5 and 12.0 c/d. (3) VA and CS showed a significant positive correlation with a CE of +0.436 at 1.5 c/d and +0.270 at 12.0 c/d. The CS at 1.5 and the CS at 12.0 c/d also showed a significant negative correlation with a CE of +0.477. (4) NC and CC showed a significantly negative correlation (r = -0.224, p < 0.01), suggesting that scattered light from the nucleus may be interfered with by cortical opacities during slitlamp examinations. (5) In 29 cases of no cortical opacity, nuclear opacity showed significant negative correlation with VA (r = 0.556 p < 0.01) but no significant correlation with CS of both 1.5 and 12 c/d. (6) In 30 cases with less than 0.085 of nuclear opacity, cortical opacity showed significant negative correlation with CS at 12.0 c/d (r = 0.364 p < 0.01) but showed no significant correlation with VA and CS at 1.5 c/d.
对125只患有老年性白内障晶状体的眼睛进行了相关性调查，以确定皮质性白内障（CC）与核性白内障（NC）、矫正视力（VA）和对比敏感度（CS）之间的关系。特别详细地分析了1.5周期/度（c/d）和12.0 c/d空间频率下的对比敏感度。结果如下：（1）CC以及1.5和12.0 c/d的对比敏感度均呈显著负相关，系数（CE）分别为-0.250和-0.288。未发现CC与VA之间存在相关性。（2）NC与VA呈显著负相关，CE为-2.29。未发现NC与1.5和12.0 c/d的对比敏感度之间存在相关性。（3）VA与CS呈显著正相关，1.5 c/d时CE为+0.436，12.0 c/d时CE为+0.270。1.5 c/d时的对比敏感度与12.0 c/d时的对比敏感度也呈显著负相关，CE为+0.477。（4）NC与CC呈显著负相关（r = -0.224，p < 0.01），表明在裂隙灯检查期间，来自核的散射光可能会受到皮质混浊的干扰。（5）在29例无皮质混浊的病例中，核混浊与VA呈显著负相关（r = 0.556，p < 0.01），但与1.5和12 c/d的对比敏感度均无显著相关性。（6）在30例核混浊度小于0.085的病例中，皮质混浊与12.0 c/d时的对比敏感度呈显著负相关（r = 0.364，p < 0.01），但与VA以及1.5 c/d时的对比敏感度均无显著相关性。
