light adaptation meaning

  "light adaptation" in a sentence
Noun: light adaptation  lIt `adup'teyshun
  1. The process of adjusting the eyes to relatively high levels of illumination; the pupil constricts and the cones system is operative

Derived forms: light adaptations

Type of: adaptation

The adjustment of the eye to variations in the intensity of light. Light adaptation is the adjustment of the eye when the light threshold is increased; DARK ADAPTATION when the light is greatly reduced. (From Cline et al.,Dictionary of Visual Science,4th ed)n : the adjustments including narrowing of the pupillary opening and decrease in rhodopsin by which the retina of the eye is made efficient as a visual receptor under conditions of strong illumination —compare DARK ADAPTATIONlight-adapt·ed adj


  1. This process is called light adaptation.
  2. To improve tunnel safety for motorists, and decrease the tunnel lighting requirements, the original tunnel entrance faces were sandblasted to remove white paint and repainted a less luminescent tan color to reduce the range of visual light adaptation required by drivers.

Related Words

  1. ligger meaning
  2. ligging meaning
  3. light meaning
  4. light (up)on so or sth meaning
  5. light a fire under so meaning
  6. light adaptations meaning
  7. light adaption meaning
  8. light air meaning
  9. light aircraft meaning
  10. light alloy meaning
PC Version