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Roper-Hall classification for the severity of ocular surface burns.
| Grade | Clinical findings | Prognosis | |
|---|---|---|---|
| Cornea | Conjunctiva/limbus | ||
| I | Corneal epithelial damage | No limbal ischemia | Good |
| II | Corneal haze, iris details visible | <1/3 limbal ischemia | Good |
| III | Total epithelial loss, stromal haze, and iris details obscured | 1/3–1/2 limbal ischemia | Guarded |
| IV | Cornea opaque, iris and pupil obscured | >1/2 limbal ischemia | Poor |
