| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| retina rods cones | 1.44 | 0.5 | 8871 | 74 | 17 |
| retina | 1.1 | 0.3 | 1669 | 51 | 6 |
| rods | 0.52 | 0.3 | 3681 | 4 | 4 |
| cones | 1.68 | 0.5 | 3235 | 60 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| retina rods cones | 0.64 | 0.5 | 1754 | 47 |
| retina rods and cones | 0.26 | 0.6 | 9393 | 62 |
| distribution of rods and cones in the retina | 1.39 | 0.9 | 9561 | 31 |
| how do rods differ from cones in the retina | 1.77 | 0.8 | 3560 | 66 |
| does the retina contain rods and cones | 1.19 | 0.4 | 7951 | 97 |
| retina rods and cones functions | 0.05 | 0.7 | 1440 | 40 |
