Clinical Study
Stem Cell Therapy for Corneal Epithelium Regeneration following Good Manufacturing and Clinical Procedures
Table 3
Grading of ocular surface clinical characteristics.
| |
Ciliary hyperemia [50] |
Central corneal epithelial opacity [50] |
Central corneal epithelial irregularity [24] | Corneal epithelial integrity | Corneal superficial neovascularization [50] | Superficial punctate keratitis | Persistent epithelial defect area [24] | Area | Length |
| Grade 0 | White conjunctiva | None | Normal/absent | | None | None | None |
| Grade 1 | Widening of the vessels | Mild | Mild | | ≤1/4 | ≤1/4 | 1 mm |
| Grade 2 | Mild hyperemia | Moderate | Moderate | | >1/4 and ≤1/2 | >1/4 and ≤1/2 | 2-3 mm |
| Grade 3 | Moderate hyperemia | Severe with faint pupil | Severe | | >1/2 and ≤3/4 | >1/2 and ≤3/4 | 4-5 mm |
| Grade 4 | Intense hyperemia | Severe with no visible pupil | N/A | | >3/4 | >3/4 | ≥6 mm |
| Grade 5 | N/A | N/A | N/A | >Grade 4 | N/A | N/A | N/A |
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Modified from [51].
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