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| ¿µ¹® | visual field test | ÇÑ±Û | ½Ã¾ß°Ë»ç |
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| ¿µ¹® | visual acuity | ÇÑ±Û | ½Ã·Â |
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| VA | vacuum aspiration; valproic acid; vasodilator agent; ventricular aneurysm; ventricular arrhythmia; v... |
|---|---|
| VAT | variable antigen type; ventricular accommodation test; ventricular activation time; vesicular amine ... |
| B1 | induced field in magnetic resonance imaging; radiofrequency magnetic field in nuclear magnetic reson... |
| EF | ectopic focus; edema factor; ejection fraction; elastic fibril; electric field; elongation factor; e... |
| FA | false aneurysm; Families Anonymous; Fanconi anemia; far advanced; fatty acid; febrile antigen; femor... |
| LVF | Left visual field |
|---|---|
| VF | Visual Field |
| VHF | Visual Half-Field |
| LVF-RH | left visual field--right hemisphere |
| RVF | right visual field |
| visual field | The area simultaneously visible to one eye without movement; often measured by means of a bowl perimeter located 330 mm from the eye. (05 Mar 2000) |
|---|---|
| visual field test | <ophthalmology> A test which measures the extent of visual field loss. This test may be performed by a number of methods including confrontation, tangent screen exam and automated perimetry. Diseases that affect visual field include stroke, diabetes, hypertension, multiple sclerosis, glaucoma, hyperthyroidism, Jacob-Creutzfeldt disease and optic glioma. (27 Sep 1997) |
| accessory visual apparatus | The eyelids, with lashes and eyebrows, lacrimal apparatus, conjunctival sac, and extrinsic muscles of the eyeball. Synonym: organa oculi accessoria, accessory organs, accessory visual apparatus, adnexa oculi, appendages of eye. (05 Mar 2000) |
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| Bender Visual Motor Gestalt test | <psychology> A psychological test used by neurologists and clinical psychologists to measure a person's ability to visually copy a set of geometric designs. It consists of nine geometric designs on cards. The subject is asked to redraw them from memory after each one is presented individually. It is useful for measuring visuospatial and visuomotor coordination to detect brain damage. Synonym: Bender Visual Motor Gestalt test. (14 Aug 2000) |
| Broca's visual plane | A plane drawn through the visual axes of each eye. (05 Mar 2000) |
| receptor, visual | The layer of rods and cones, the visual cells, of the retina. (12 Dec 1998) |
| pattern recognition, visual | Visually perceived characters, shapes, displays, or designs. (12 Dec 1998) |
| visual | Pertaining to vision or sight. Origin: L. Visualis, from videre = to see (18 Nov 1997) |
| visual acuity | <microscopy> The ability to detect fine details or small distances with the eye. Visual acuity can vary substantially depending on the definition used and method of measurement chosen. Under favourable conditions, the resolution of the human eye or ability to distinguish the twoness of adjoining lines, is about I minute of arc while the threshold delectability, or the detection of misaligned steps in a line (which is also a form of visual acuity), can be as low as a fraction of a second of arc. (05 Aug 1998) |
| visual agnosia | The inability to recognise objects by sight; usually caused by bilateral parieto-occipital lesions. Synonym: optic agnosia. (05 Mar 2000) |
| visual angle | The angle formed at the retina by the meeting of lines drawn from the periphery of the object seen. (05 Mar 2000) |
| visual aphasia | <neurology> Loss of the ability to understand printed words or sentences (27 Sep 1997) |
| visual area | Area of the occipital lobe concerned with vision. (12 Dec 1998) |
| visual axis | The straight line extending from the object seen, through the centre of the pupil, to the macula lutea of the retina. Synonym: line of vision. (05 Mar 2000) |
| visual blackout | See: amaurosis fugax. (05 Mar 2000) |
| visual cortex | Area of the occipital lobe concerned with vision. (12 Dec 1998) |
| visual cycle | The transformation of carotenoids involved in the bleaching and regeneration of the visual pigment. (05 Mar 2000) |
Synonyms : Field, Visual, Fields, Visual, Visual Field
| visual field |
all of the points of the physical environment that can be perceived by a stable eye at a given moment
Ãâó: wordnet.princeton.edu/perl/webwn
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| visual field |
The normal field of vision is about 140 degrees for each eye (monocular vision) and about 180 degrees for both eyes (binocular vision). Coloboma can reduce the field of vision.
Ãâó: www.geocities.com/coloboma_group/words.html
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| visual field |
The entire range in which a person can see, including peripheral vision.
Ãâó: my.webmd.com/content/article/81/96844.htm
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| visual field |
Portion of space extending in all directions that can be seen by one eye without changing its position.
Ãâó: www.ucsfhealth.org/adult/medical_services/neuro/ms...
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| visual field |
The entire area that the eye can see from side to side (includes peripheral vision).
Ãâó: www.eyesearch.com/vision.terms.htm
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| visual field | all of the points of the physical environment that can be perceived by a stable eye at a given moment |
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