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Hemianopia — loss of vision on one side due to a stroke or injury — can make walking safely difficult. Peripheral prisms, a simple optical device attached to eyeglasses, may assist in the detection of objects normally outside their field of vision.
Join a new free study Dr. Hearing is one of several low vision specialists participating in this nationwide study Directed from the Schepens Eye Research Institute, an affiliate of Harvard Medical School. Call Dr. Hearing at 561-744-2811 if you have this condition or know of someone who has it. Patients accepted in this program will be fitted with prisms, and may receive a free pair of prescription glasses. Participants will be required to make three to four free office visits over a two-month period.
The Gottlieb Visual Field Awareness System
Gottlieb System places a small prismatic lens on top of the larger spectacle lens on the side off the loss. This configuration shifts the image about 20degrees into the patient's useful field of vision as they make mild scanning movements. Some occupational therapist assistance may be required. Hemianopia patients without compensating glasses may not see the stop sign. (Demo courtesy of Eye Associates.)
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