Antique Perimeter


Antique Perimeter


Antique Perimeter


Perimeters are used to examine a patient’s peripheral (side) vision. The patient stares at the center of the bowl and indicates when they can see a flash of light or some other stimulus entering their field of vision. Also known as “visual field testing,” using a perimeter can help a provider identify early changes in vision, particularly nerve damage caused by glaucoma.


Donated by Richard “Skip” Legge, MD, from the McGoogan Health Sciences Library Robert S. Wigton Department of Special Collections and Archives

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