Canadian Medical Guide > Biological Sciences > Musculoskeletal, Neural, and Ocular Physiology > Ocular Physiology > Ocular Physiologic Processes > Adaptation, Ocular Terms and Definitions
Adaptation, Ocular
Medical Definition: | 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) |
Guide Notes: | adjustment of eye to variations in intensity of light; do not confuse with ACCOMMODATION, OCULAR, adjustment of lens to distance |
Also Called: | Light Adaptation |
![]() |
Dark Adaptation - Adjustment of the eyes under conditions of low light. The sensitivity of the eye to light is increased during dark adaptation. |
Adaptation, Ocular Medical Definitions and Terms
|
Wildlife On Video »

Tour Canadian Rockies »
Book Banff »
Book Jasper »
Maligne Lake Boat Cruise »
Banff Gondola »
Hike Jasper »
Jasper Columbia Icefield »
Hike Johnston Canyon »
Golden Skybridge »
Lake Minnewanka Boat Cruise »
Columbia Icefields Skywalk »