ocular adaptation

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• Ocular tremor — Ocular microtremor tracing with burst sections underlined Ocular microtremor (OMT) is a constant, physiological, high frequency (peak 80Hz), low amplitude (estimated circa 150 2500nm (1)) eye tremor. It occurs in all normal people even when the… …   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

• ocular refraction — The adaptation and accommodation of the light rays which enter the eye in keeping with optical principles, to secure proper focus and the formation of an accurate image oil the retina. Abelson, Inc. v New York State Board of Optometrists. 5 NJ… …   Ballentine's law 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

• syndrome — The aggregate of symptoms and signs associated with any morbid process, and constituting together the picture of the disease. SEE ALSO: disease. [G. s., a running together, tumultuous concourse; (in med.) a concurrence of symptoms, fr. syn,… …   Medical dictionary

• 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

• Human eye — Infobox Anatomy Name = Eye Caption = Schematic diagram of the human eye. The human eye is similar to most mammalian eyes.Dynamic rangeThe retina has a static contrast ratio of around 100:1 (about 6 1/2 stops). As soon as the eye moves (saccades)… …   Wikipedia

• nervous system, human — ▪ anatomy Introduction       system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …   Universalium

• Saccade — A saccade is a fast movement of an eye, head or other part of an animal s body or device. It can also be a fast shift in frequency of an emitted signal or other quick change. However, this article deals with saccadic eye motion. Eye saccades are… …   Wikipedia

• Contact lens — Contacts redirects here. For the software application, see Address book. A pair of contact lenses, positioned with the concave side facing upward …   Wikipedia

• Hemeralopia — Classification and external resources ICD 10 H53.1 ICD 9 368.6 Hemeralopia (from Greek ημέρα, hemera day ; and αλαός, alaos blindness ) is the inability to see clearly in bright l …   Wikipedia