The Tohoku Journal of Experimental Medicine
Online ISSN : 1349-3329
Print ISSN : 0040-8727
ISSN-L : 0040-8727
The Effect of Nicotinic Acid Amide on Dark Adaptation
A Preliminary Report
細谷 雄二方 懐時彭 明聰
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1950 年 53 巻 1-2 号 p. 103-108

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In this study we have found that the oral administration of NAA produced an improvement in rod dark adaptation. The duration of the effect and the minimal effective dose varied in different individuals. Although vitamin C has a similar effect, yet this was only slight and transient. The combined effect of NAA and vitamin C on rod adaptation was stronger and more prolonged than either singly.
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© Tohoku University Medical Press
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