Detailed system11 | Simple system10 | Definition |
---|---|---|
0 | 0 | No scarring |
1 | 0 | Minimal scarring or opacity but not involving the visual axis, and with clear central cornea |
2 | CO | Moderate scarring or opacity involving the visual axis, with the pupillary margin visible through the opacity |
3 | CO | Severe central scarring or opacity with the pupillary margin not visible through the opacity |