1. A 60 visual field study was performed on 15 patients using both the supplied opaque eye patch and our diffuser on the Haag-Streit Octopus 600 machine (four field tests per patient.) Enlarge ...

Results also showed that 45.9% of patients had one to two visual field tests per year, 14.8% had at least two and 39% had fewer than one test per year. Less than half of all tests (44.9%) were ...

Another test eye doctors use to diagnose peripheral vision loss is the automated static perimetry test. This test maps a person’s visual field to determine where they can and cannot see.