| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| ophthalmology clinical research | 0.74 | 0.6 | 8173 | 19 | 31 |
| ophthalmology | 0.41 | 0.8 | 479 | 50 | 13 |
| clinical | 1.19 | 0.2 | 3146 | 2 | 8 |
| research | 1.67 | 0.8 | 3074 | 72 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ophthalmology clinical research | 0.9 | 0.2 | 50 | 75 |
