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Inflammation mode & settings
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Research notes
Iridocyclitis (anterior uveitis) causes protein and inflammatory cells
to leak into the aqueous humour, producing the Tyndall effect (aqueous flare) — scatter
of a slit-lamp beam visible clinically. Aqueous flare mode simulates diffuse cytokine-mediated
scatter; photophobia mode adds contrast reduction from ciliary spasm; severe mode models
hypopyon with dense cellular scatter and corneal oedema. Severity maps to aqueous flare
grade (SUN grading 0–4+).
Swatches — Reference vs Iridocyclitis
Reference
HEX: — • RGB: — • xy: —
Simulated
HEX: — • RGB: — • xy: —
ΔE (CIE76)
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ΔE (CIEDE2000)
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Reference
Simulated
Chromaticity (CIE xy)
Flare scatter axis (toward D65 white)
Image simulation
Original
Iridocyclitis simulated
Multi-condition comparison
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Clinical notes: Aqueous flare is predominantly Rayleigh-Tyndall scatter
(protein particles 10–100 nm) with mild blue-biased scatter. Severe inflammation (hypopyon)
produces dense cellular scatter — functionally achromatic. Scatter weights adjust R/G/B
channel contributions. Not a clinical diagnostic — see model assumptions.
Model assumptions & limits
- Aqueous flare modelled as additive Tyndall scatter in linear sRGB.
- Severity curves map to SUN grading system (0–4+) heuristically.
- Ciliary spasm photophobia and miosis not fully modelled optically.