| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| against the rule corneal astigmatism | 1.76 | 0.5 | 3772 | 5 | 36 |
| against | 0.19 | 0.8 | 4731 | 80 | 7 |
| the | 0.21 | 0.7 | 129 | 39 | 3 |
| rule | 0.77 | 0.3 | 3708 | 29 | 4 |
| corneal | 1.12 | 0.2 | 2513 | 68 | 7 |
| astigmatism | 1.51 | 0.9 | 5159 | 44 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| against the rule corneal astigmatism | 1.15 | 0.1 | 7607 | 90 |
