Sample values of vessel density in healthy controls and patients with various degrees of glaucoma
| Healthy | Glaucoma | Mild glaucoma | Moderate–severe glaucoma | |
|---|---|---|---|---|
| Circumpapillary vessel density (%) | 65.1 | 61.1 | 57.5 | 49.6 |
| Whole image vessel density (%) | 56.7 | 51.6 | 48.3 | 41.7 |
| Average retinal nerve fibre layer thickness (μm) | 99.0 | 87.6 | 78.6 | 65.2 |
Note the gradation in vessel density decreases between different severities of glaucoma.31