Table 1.
SUN Working Group Definitions
| SUN GRADE | Anterior Chamber Cell (per 1 mm slit beam)* | Anterior Chamber Flare* |
|---|---|---|
| 0 | <1 | None |
| 0.5+ | 1–5 | -- |
| 1+ | 6–15 | Faint |
| 2+ | 16–25 | Moderate |
| 3+ | 26–50 | Marked |
| 4+ | >50 | Intense |
| Uveitis Activity Terminology* | ||
| Inactive | Grade 0 cells | |
| Worsening Activity | Two step increase in level of inflammation or increase from grade 3+ to 4+ | |
| Improved Activity | Two step decrease in level of inflammation or decrease to grade 0 | |
| Remission | Inactive disease for ≥ 3 months after discontinuing all treatments for eye disease | |
*
Adapted from SUN Working Group definition (1).