| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| membranes of the cornea | 0.42 | 0.9 | 4683 | 97 | 23 |
| membranes | 0.17 | 0.8 | 7211 | 6 | 9 |
| of | 1.11 | 0.9 | 356 | 57 | 2 |
| the | 1.46 | 0.7 | 4672 | 93 | 3 |
| cornea | 0.33 | 0.8 | 5177 | 66 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| membranes of the cornea | 0.54 | 0.8 | 3709 | 10 |
