Table 2.

Scoring of Clinical Features in the Clinical Severity Matrix

Parameter	0	1	2	3	Point Total
Symptoms	None	Mild	Moderate	Severe
Lid swelling	Absent		Present
Conjunctival redness	Absent	Localized	Generalized
Infiltrate shape		Round		Irregular
Infiltrate size, mm (largest)		≤1.0	1.0–2.0	≥2.0
Number of infiltrates		1–4	5–10	>10
Fluorescein staining	Absent	Present
Surrounding cornea	Clear	Slight haze	Severe haze
Endothelial debris	Absent	Present
Hypopyon	Absent		Present
Effect of lens discontinuation	Resolving	No change	Slight worsening	Significant worsening
Total