Table 2 Typical patterns of scotoma on the Humphrey 10-2 standard automated perimetry in subgroups according to the pattern among overall patients and those with early retinopathy.
From: Visual field examinations using different strategies in Asian patients taking hydroxychloroquine
Groups | Partial- or full-ring scotoma | Patchy scotoma | Central scotoma | Whole-field defect |
|---|---|---|---|---|
Overall (n = 115) | 74 (64.3%) | 6 (5.2%) | 5 (4.3%) | 2 (1.7%) |
Pericentral (n = 70) | 37 (52.9%) | 5 (7.1%) | 1 (1.4%) | 0 |
Parafoveal (n = 23) | 17 (73.9%) | 1 (4.3%) | 4 (17.4%) | 0 |
Mixed (n = 22) | 20 (90.9%) | 0 | 0 | 2 (9.1%) |
Early retinopathy (n = 37) | 12 (32.4%) | 3 (8.1%) | 0 | 0 |
Pericentral (n = 32) | 8 (25%) | 3 (9.4%) | 0 | 0 |
Parafoveal (n = 5) | 4 (80%) | 0 | 0 | 0 |