J Korean Ophthalmol Soc.
1992 Nov;33(11):1093-1098.
Long Term Fluctuation of Visual Field in Glaucoma Patients
- Affiliations
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- 1Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea.
Abstract
- Visual field measurements are useful tool for diagnosis and management of glaucoma, and for evaluation of prognosis. But it has intratest and intertest variability, which interfere the precise interpretation of visual field changes. To examine the long term fluctuation, we conducted visual field measurements on three separate sessions in 44 glaucomatous eyes using Humphrey visual field analyzer. Each visual field results were compared with that of the following results. The long term fluctuation of visual field measurem-ent was between 1.85 and 8.81dB and in average 4.36 +/- 1.56dB. If one retinal location shows variaton greater than 8.81dB, automated visual fields must be interpreted cautiously and require confirmation and assessment of other clinical factors.
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