Table 5. Summary of spectacle corrected visual acuity (SCVA) for right and left eyes across AMD grades, subcategorised for level of visual impairment.
| Rotterdam Grade |
Right eye SCVA |
Total (n (%)) |
Left eye |
Total (n (%)) | ||||
|---|---|---|---|---|---|---|---|---|
| Good vision (n (%)) | Low vision (n (%)) | Poor vision (n (%)) | Good vision (n (%)) | Low vision (n (%)) | Poor vision (n (%)) | |||
| 0 | 1257 (74.4) | 416 (24.6) | 16 (0.95) | 1689 (100) | 1267 (73.1) | 439 (25.3) | 27 (1.6) | 1733 (100) |
| 1 | 852 (75) | 280 (24.7) | 4 (0.35) | 1136 (100) | 833 (74.7) | 268 (24.0) | 14 (1.3) | 1115 (100) |
| 2 | 213 (62.7) | 123 (36.2) | 4 (1.2) | 340 (100) | 222 (65.5) | 113 (33.3) | 4 (1.2) | 339 (100) |
| 3 | 28 (42.4) | 38 (57.6) | 0 (0.0) | 66 (100) | 48 (53.3) | 40 (44.4) | 2 (2.2) | 90 (100) |
| 4a | 24 (36.4) | 30 (45.5) | 12 (18.2) | 66 (100) | 26 (41.3) | 27 (42.9) | 10 (15.9) | 63 (100) |
| 4b | 4 (10.5) | 12 (31.6) | 22 (57.9) | 38 (100) | 2 (5.0) | 16 (40.0) | 22 (55.0) | 40 (100) |
| 4c | 3 (60.0) | 2 (40.0) | 0 (0.0) | 5 (100) | 1 (25.0) | 3 (75.0) | 0 (0.0) | 4 (100) |
| Total | 2381 (71.3) | 901 (27.0) | 58 (1.74) | 3340 (100) | 2399 (70.9) | 906 (26.8) | 79 (2.3) | 3384 (100) |
SCVA subgroups: Good Vision=SCVA Log MAR 0.3 or better, low vision=SCVA between Log MAR 0.3 and Log MAR 1.0 and poor vision=SCVA of Log MAR 1.0 or worse. Data are numbers (row percentage).