Grade 1: anterior uveitis with trace cells
Grade 2: anterior uveitis with 1+ or 2+ cells
Grade 3: anterior uveitis with 3+ or greater cells; intermediate posterior or pan-uveitis
Grade 4: best corrected visual acuity of 20/200 or worse in the affected eye
Reference: Common Terminology Criteria for Adverse Events (CTCAE) Version 5.0 Published: November 27, 2017
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