Table 2. Visual field scoring system with SLO macular microperimetry in patients with bilateral age-related macular degeneration.
| Grade | Size of scotoma | Number of Patients (%) | |
|---|---|---|---|
| Normal | 0 | None | 0 (0) |
| Near normal* | 1 | 3 (6.3) | |
| Paracentral field loss | |||
| paracentral small scotoma | 2 | ≤ 1 DD | 7 (14.6) |
| paracentral medium scotoma | 3 | > 1DD or ≤ 2DD | 13 (27.1) |
| paracentral large scotoma | 4 | > 2DD and ≤ 3DD | 2 (4.2) |
| paracentral very large scotoma | 5 | > 3DD | 4 (8.3) |
| Central Scotoma | |||
| central small scotoma | 6 | ≤ 1 DD | 0 (0) |
| central medium scotoma | 7 | > 1DD or ≤ 2DD | 1 (2.1) |
| central large scotoma | 8 | > 2DD and ≤ 3DD | 4 (8.3) |
| central very large scotoma | 9 | > 3DD | 7 (14.6) |
| Encircling | |||
| encircling small scotoma | 10 | ≤ 1 DD | 1 (2.1) |
| encircling medium scotoma | 11 | > 1DD or ≤ 2DD | 1 (2.1) |
| encircling large scotoma | 12 | > 2DD and ≤ 3DD | 1 (2.1) |
| encircling very large scotoma | 13 | > 3DD | 3 (6.3) |
| Severity of Visual field deficit | 1, 2, 3, 6, | Mild | 23 (48.9) |
| 4, 5, 7, 10,11, 12, | Moderate | 10 (21.3) | |
| 8, 9, 13, | Severe | 14 (29.8) |
* scotoma detected with a target smaller than Goldmann III size