dark adaptation

• Processus physiologique par lequel les yeux s'adaptent à de faibles niveaux de luminosité, augmentant leur sensibilité à la lumière après une exposition à l'obscurité.

The physiological process by which the eyes adjust to low-light conditions, increasing sensitivity to light after exposure to darkness.

1. Visual adjustment to low lightB2formal

   The process by which the eyes adjust to low levels of illumination, increasing sensitivity to light over time.

   adaptation à l'obscurité

   • Dark adaptation takes about 20 to 30 minutes for the human eye.
   • Pilots need good dark adaptation for night flying.
   • After entering the dark room, his dark adaptation slowly improved his vision.