Description the amount of visual field loss for patients within the study groups
| Humphrey full threshold MD | Range | ||
|---|---|---|---|
| Group | Average | (SD) | |
| Control | −0.75 | (1.05) | 0.59 to −2.34 |
| Glaucoma suspects | −0.66 | (1.23) | 1.57 to −1.72 |
| Ocular hypertension | −1.19 | (2.39) | 0.90 to −6.41 |
| Open angle glaucoma | −8.20 | (7.51) | 1.04 to −26.58 |