Table 1 of Yuan, Mol Vis 2009; 15:1988-1996.
Table 1. Criteria used in grading severity of corneal neovascularization.
Score |
Number of quadrants with corneal neovascularization |
Number of corneal vessels/quadrant |
Proportionate length of longest corneal vessels between limbus and corneal center |
---|---|---|---|
1 | 1 | 1-5 | 0.05-0.25 |
2 | 2 | 6-10 | 0.26-0.50 |
3 | 3 | 11-15 | 0.51-0.75 |
4 | 4 | >15 | >0.75 |