noun
dark adaptation
Physiological process by which the eyes adjust to low light conditions. Often contrasted with 明順応 (light adaptation).
See also: 明順応
暗順応には約30分かかると言われている。
It is said that dark adaptation takes about 30 minutes.
Light adaptation; the opposite process of adjusting to bright conditions.
Compound of 暗 (dark) and 順応 (adaptation).