Test, visual field: A test which measures the extent and distribution of the field of vision.
The visual field test may be done by a number of methods including what are termed confrontation, tangent screen exam and automated perimetry.
Although the test may seem tedious, it is not painful or uncomfortable.
Many diseases can adversely affect the visual fields including glaucoma, strokes, high blood pressure (hypertension), diabetes, multiple sclerosis, and overactivity of the thyroid gland (hyperthyroidism). Medications can also affect the visual fields, including antimalaria medicines such as chloroquine/ATABRINE and hydroxychloroquine/PLAQUENIL.
Read about visual field testing and vision tests (Amsler grid, Humphrey-Zeiss and Goldman perimetry tests) for glaucoma and macular degeneration detection.
A visual field test measures how much 'side' vision you have. It is a straightforward test, painless, and does not involve eye drops. Essentially lights are ...
Glaucoma Service Foundation to Prevent Blindness provides glaucoma information on diagnosing, testing and treating glaucoma as well as a chat support group.
Visual field tests can detect central and peripheral vision problems caused by glaucoma, stroke and other eye or brain problems.
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 ...