light adaptation

• عملية فسيولوجية تتكيف بها العين مع ارتفاع مستوى الإضاءة، وتشمل عادة تضيّق الحدقة وانخفاض حساسية الشبكية للضوء.

The physiological process by which the eye adjusts to increased levels of illumination, typically involving the constriction of the pupil and reduced sensitivity of the retina to light.

1. Visual adjustment to brightnessC1formal

   The process by which the eye adjusts to bright light conditions, involving the constriction of the pupil and changes in retinal sensitivity.

   التكيف الضوئي

   • Light adaptation occurs quickly when you step from a dark room into sunlight.
   • The human eye undergoes light adaptation to reduce glare and improve vision.
   • After light adaptation, the cones in the retina become more active.