Grade
Grade I — Excellent prognosis
Clear cornea + no limbal ischemia.
Grade II — Good prognosis
Hazy cornea but iris details are visible + limbal ischemia less than 1/3.
Grade III — Guarded prognosis
No iris details visible + limbal ischemia from 1/3 to 1/2.
Grade IV — Very poor prognosis
Opaque cornea + limbal ischemia more than 1/2.
3May 17, 2026 286 1