Main Menu Back to Eye Exams Adaptive Equipment Braille Eye Disorders Eye Surgery History News Research & Clinical Studies Eye Diagram Glossary   Our Other Sites Bookstore Directory Other Resources Statistics Vision Health Resources Search All Sites Site Map Resource Links Third Party Links Eye Exams - Visual Field Test The visual field is the total area where objects can be seen in the peripheral vision while the eye is focused on a central point. Abnormal results may indicate diseases of the central nervous system such as tumors that damage or compress the parts of the brain that deal with vision. Other diseases that may affect the visual field of the eye include diabetes, tumors, hyperthyroidism ( a condition where the thyroid produces an excess of hormones), hypertension, diseases of the pituitary gland, and multiple sclerosis. For more information visit MEDLINEplus

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