Standardised retardation values and profile shape values for varying degrees of severity of glaucoma
| Cup:disc ratio | Mild (less than 0.75) | Moderate (0.75 to less than 0.85) | Severe (0.85 or greater) | |
|---|---|---|---|---|
| Retardation values: | ||||
| Superior hemiretina | 6.94 | 6.55 | 6.29 | |
| Inferior hemiretina | 8.41 | 8.38 | 7.70 | |
| Profile shape values: | ||||
| Superior hemiretina | 304 | 266 | 197 | |
| Inferior hemiretina | 404 | 379 | 325 | |
| Visual field (mean deviation) | Mild (up to −3.5 dB) | Moderate (−3.5 to −9.99 dB) | Severe (−10 dB or worse) | |
| Retardation values: | ||||
| Superior hemiretina | 6.72 | 6.76 | 6.30 | |
| Inferior hemiretina | 8.71 | 8.13 | 7.56 | |
| Profile shape values: | ||||
| Superior hemiretina | 279 | 271 | 209 | |
| Inferior hemiretina | 436 | 392 | 321 | |