STADIUM | PROGNOSIS | CORNEAL INJURY | LIMBIC ISCHEMIA (% limbal circumference) |
I | Excellent | Epithelial damage, absence of corneal opacity | 0 |
II | Good | Cornea edematous, but iris visible | Less than 33% |
III | Reserve | Total loss of corneal epithelium, stromal edema impeding visibility of iris details | 33% - 50% |
IV | Bad | Opaque cornea, iris and pupil not visible | Greater than 50% |