Values of each measure of vision associated with DLTV scores
|
DLTV score: 4: No difficulty |
DLTV score: 3: A little difficulty |
DLTV score: 2: A lot of difficulty |
DLTV score: 1: Vision prevents | |
| Distance visual acuity: logMAR (Snellen) | 0.0 (6/6) | 0.4 (6/15) | 0.9 (6/48) | 1.3 (6/120) |
| Near visual acuity: M (N) | 0.32M (N2.5) | 1.0M (N8) | 3.2M (N24) | 10.0M (N80) |
| Reading index: wpm/ print size | 73 | 32 | 8 | 0 |
| Contrast sensitivity: log units | 1.50 | 1.20 | 0.90 | 0.60 |