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Table 1 The Standardisation of Uveitis Nomenclature (SUN) working group grading scheme for anterior chamber cells

From: Instrument-based tests for measuring anterior chamber cells in uveitis: a systematic review protocol

Grade Cells in field
0 < 1
0.5 + 1–5
1 + 6–15
2 + 16–25
3 + 26–50
4 + > 50
  1. Standardisation of uveitis nomenclature for reporting clinical data. Results of the First International Workshop. [4]