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Visual field: The entire area that can be seen when the eye is directed forward, including that which is seen with peripheral vision.
The visual field can be tested to measure the extent and distribution of the field of vision. The test may be done by a number of methods including what are termed confrontation, tangent screen exam and automated perimetry. Many diseases can adversely affect the visual field including glaucoma, strokes, high blood pressure (hypertension), diabetes, multiple sclerosis, overactivity of the thyroid gland (hyperthyroidism). Medications can also affect the visual field, some of which include the antimalarial medicines chloroquine (ATABRINE) and hydroxychloroquine (PLAQUENIL).
The visual field refers to the total area in which objects can be seen in the side (peripheral) vision while you focus your eyes on a central point. How the Test is ...
Library > Literature & Language > Dictionary n. The space or range within which objects are visible to the immobile eyes at a given time. Also called field of vision
Read about visual field testing and vision tests (Amsler grid, Humphrey-Zeiss and Goldman perimetry tests) for glaucoma and macular degeneration detection.
Visual field tests can detect central and peripheral vision problems caused by glaucoma, stroke and other eye or brain problems.
What is the Visual Field? The visual field is the area of space in which all objects are visible simultaneously (see Bird's Eye View). Roll the mouse over the words ...