The visual field data (Humphrey C24-2) of early to moderate stage glaucoma between primary open-angle glaucoma (POAG) and chronic primary angle-closure glaucoma (PACG) patients was compared. Eleven POAG (11 eyes) and 14 chronic PACG patients (14 eyes) were matched with respect to age, sex, and disease severity. Although the mean deviation, pattern standard deviation, and short-term fluctuation were similar between the two groups, the mean corrected pattern standard deviation was higher in the POAG patients (p=0.048). When the numeric pattern deviation data (STATPAC II) was used for point-wise between-group comparisons, more depressed paracentral points were found in POAG patients. Different patterns were identified in visual field damages between the chronic PACG and POAG patients. The chronic PACG patients showed more generalized field loss than the POAG patients.
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