Score | Visual Acuity (ETDRS letter score/Snellen) | Visual Field Diameter (˚) | Elipsoid Zone Width (˚) |
0 | ≥85 (20/20) | ≥120 | ≥30 |
1 | <85 (20/20) to ≥80 (20/25) | <120 to ≥80 | <30 to ≥15 |
2 | <80 (20/25) to ≥75 (20/32) | <80 to ≥40 | <15 to ≥10 |
3 | <75 (20/32) to ≥70 (20/40) | <40 to ≥20 | <10 to ≥7 |
4 | <70 (20/40) to ≥55 (20/100) | <20 to ≥15 | <7 to ≥5 |
5 | <55 (20/100) | <15 | <5 |