What are the limitations of the sun uveitis grading?

While the sun uveitis grading is highly validated, it should not replace clinical judgment. OpiCalc provides the latest evidence-based limitations for the sun uveitis grading to ensure safe bedside use and optimal diagnostic accuracy.

How does the sun uveitis grading compare to other Ophthalmology scores?

The sun uveitis grading is a gold-standard diagnostic tool. OpiCalc provides side-by-side clinical guidance to help clinicians choose the most specific evidence-based tool for their patient's presentation.

Is the sun uveitis grading free to use?

Yes. OpiCalc provides the sun uveitis grading completely ad-free and optimized for mobile bedside use, ensuring you can calculate medical risk swiftly and without distraction.

SUN Uveitis Grading

AC Cells (1mm beam)

AC Flare

Guidelines & Evidence

Clinical Details

Section 1

Formula & Logic

Anterior Chamber Cells (1mm beam)

Grade	Cells per Field
0	< 1
0.5+	1-5
1+	6-15
2+	16-25
3+	26-50
4+	> 50

Anterior Chamber Flare

Grade 0: None

Grade 1+: Faint

Grade 2+: Moderate (iris details clear)

Grade 3+: Marked (iris details hazy)

Grade 4+: Intense (fibrin/plasmoid aqueous)

Section 2

Pearls/Pitfalls

Documentation Standard

The SUN (Standardization of Uveitis Nomenclature) criteria should be used for every uveitis visit to objectively track treatment response and ensure consistency between different providers.

Last Comprehensive Review: 2026

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