The Microbiota Determines Susceptibility to Experimental Autoimmune Uveoretinitis

Table 2

Histopathological scoring system.

Features	Grade 0.5	Grade 1	Grade 2	Grade 3	Grade 4
Nongranulomatous infiltrate	Small in the ciliary body/retina/choroid	—	Cells in AC	—	Subretinal exudate
Vasculitis	—	occ./mild	≥2 vessels	≥10–50%	≥50%
Vitritis	—	Mild	Mild/moderate	Marked	Severe
Retinal folds	—	occ.	2	≥3	Extensive or detachment
Granulomas	—	—	1-2	≥3	≥3
Photoreceptor loss	—	—	Mild/moderate	Severe (≥60%)	Severe (≥60%)