30

Simulate uveitis visual effects across anterior (iritis/iridocyclitis), posterior (choroiditis/retinitis), and panuveitis stages. Tune inflammation severity to explore Tyndall aqueous scatter, photophobia, contrast reduction, and floater disturbance. Inspect ΔE & chromatic shift from inflammatory cellular scatter toward the achromatic point.

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Base color
Uveitis type & settings
Inflammation severity100%
Image simulation
Upload JPG/PNG (max 1200×1200). Simulated canvas next to original.
Research notes
Uveitis encompasses inflammation of the uveal tract — iris, ciliary body and choroid. Anterior uveitis produces aqueous flare (Tyndall scatter from proteins) and cells (leukocytes); posterior uveitis causes vitreous haze, floaters, and chorioretinal lesions with reduced VA; panuveitis combines both compartments. This simulator models anterior aqueous Tyndall scatter, posterior vitreous haze and the photophobia characteristic of active inflammation. SUN grading (0–4+) maps to severity. Not diagnostic.
Swatches — Reference vs Uveitis
Reference
HEX: — • RGB: — • xy: —
Simulated
HEX: — • RGB: — • xy: —
ΔE (CIE76)
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ΔE (CIEDE2000)
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Deep preview
Reference
Simulated
Chromaticity (CIE xy)
Tyndall scatter axis (toward D65 white)
D65 white point: 0.313, 0.329
Image simulation

Simulations operate in linear sRGB. Anterior mode applies Tyndall aqueous scatter (veiling luminance and mild blue-shifted scatter from protein and cells); posterior mode overlays Gaussian vitreous haze from inflammatory debris; panuveitis combines both components additively. Photophobia checkbox adds a sigmoid veiling luminance overlay. ΔE2000 measures perceptual colour shift from inflammatory scatter.

Multi-condition comparison
5
Compare normal, Condition A and Condition B across multiple severities. If an image is loaded it will be processed into the grid, otherwise colour swatches are shown.