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Neurologic Exam Cranial Nerves Normal : Cranial Nerve II- Visual fields

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Uploaded by on Mar 29, 2010

Cranial Nerve II- Visual fields
There are several different screening tests that can be used to assess visual fields at the bedside. First hold up both hands superiorly and inferiorly and ask the patient if they can see both hands and do they look symmetric. Then test each eye individually using your fingers in the four quadrants of the visual field and ask the patient to count fingers held up or point to the hand when a finger wiggles using yourself as a control. A second screening test is to use a grid card. Have the patient focus on the dot in the center of the grid then ask if any part of the grid is missing or looks different. A third method is to use a cotton tip applicator. Testing one eye at a time ask the patient to say "now" as soon as they see the applicator come into their side vision as they focus on the examiner's nose. All of these tests are screening tests. Formal perimetry is the most accurate way of assessing visual fields

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