DARK-ADAPTATION AS A FUNCTION OF AGE .1. A STATISTICAL-ANALYSIS
DARK-ADAPTATION AS A FUNCTION OF AGE .1. A STATISTICAL-ANALYSIS
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DOI：
10.1093/geronj/15.2.149
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发表时间：
1960-01-01
期刊：
影响因子：
--
通讯作者：
WARD, DC
中科院分区：
文献类型：
--
作者：
MCFARLAND, RA;DOMEY, RG;WARD, DC
在对240名年龄从16岁到89岁的受试者进行的暗适应实验研究中，发现20个暗适应阈值之间的相关性在0.79到0.99之间。在第5分钟的锥和杆阈值之间的过渡点。相关0.79与阈值在第40分钟。在2d分钟的暗适应，最年轻的受试者比最老的受试者的5倍更敏感的测试刺激。在暗适应的第40分钟，最年轻的受试者比最年长的受试者敏感239倍。因此，年龄对暗适应敏感性的影响是非常显著的。
In an experimental study of the dark adaptation of 240 subjects ranging in age from 16 through 89 years, it was found that the intercorrelations among 20 dark adaptation thresholds ranged between 0.79 and 0.99. The transition point between cone and rod thresholds at the 5th min. correlated 0.79 with the thresholds at the 40th min. At the 2d min. of dark adaptation, the youngest subjects were 5 times more sensitive to the test stimulus than were the oldest subjects. By the 40th min. of dark adaptation, the youngest subjects were 239 times more sensitive than the oldest subjects. Thus, the influence of age upon dark adaptation sensitivity is very marked.