Information AboutVisual Field |
| CATEGORIES ABOUT VISUAL FIELD | |
| vision | |
| ophthalmology | |
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The term is often used in Ophthalmology , where a Visual Field Test is used to determine whether the visual field is affected by diseases that cause local Scotoma or a more extensive Loss Of Vision . VISUAL FIELD LOSS Visual field loss may occur due to disease or disorders of the Eye , Optic Nerve , or Brain . In humans, confrontational testing and other forms of Perimetry are used to detect and measure visual field loss. Different neurological difficulties cause characteristic forms of visual disturbances, including Hemianopsia s (shown below ''without'' Macular Sparing ), Quadrantanopsia , and others. EXTERNAL LINKS
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