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