1、In a dark-adapted eye, the pupil is wide open to capture the maximum amount of available light.

在适应黑暗的眼睛中，瞳孔张大，以捕捉最大量的可用光线。

2、The night vision goggles allow the soldiers to see clearly in dark-adapted conditions.

夜视镜使士兵能够在适应黑暗的条件下清晰地看到。