- pupillary darkness reflex
- Pupillenreaktion f auf Dunkelheit
Fachwörterbuch Medizin Englisch-Deutsch. 2013.
Fachwörterbuch Medizin Englisch-Deutsch. 2013.
Reflex — A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The nasal reflex is a sneeze. * * * 1. An involuntary reaction in response to a stimulus applied to the periphery and transmitted to the… … Medical dictionary
Vestibulo-ocular reflex — The vestibulo ocular reflex. A rotation of the head is detected, which triggers an inhibitory signal to the extraocular muscles on one side and an excitatory signal to the muscles on the other side. The result is a compensatory movement of the… … Wikipedia
eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… … Universalium
Retina — For the Retina display in the iPhone 4, see iPhone 4#Display. Retina Right human eye cross sectional view. Courtesy NIH National Eye Institute. Many animals hav … Wikipedia
Adaptation (eye) — In ocular physiology, adaptation is the ability of the eye to adjust to various levels of darkness and light. Contents 1 Efficacy 2 Mechanisms 3 Insufficiency 4 See also … Wikipedia
light adaptation — reflex changes in the eye to enable vision either in normal light after being in darkness or in very bright light after being in normal light. The pupil contracts (see pupillary reflex) and the pigment in the rods is bleached. Compare: dark… … The new mediacal dictionary
light adaptation — 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 ADAPTATION light adapt·ed līt ə… … Medical dictionary