| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| optical defocus pattern electroretinography | 0.01 | 0.2 | 6749 | 75 | 43 |
| optical | 0.94 | 0.1 | 5619 | 87 | 7 |
| defocus | 0.29 | 0.5 | 6186 | 95 | 7 |
| pattern | 1.86 | 0.3 | 980 | 94 | 7 |
| electroretinography | 0.29 | 0.1 | 7526 | 12 | 19 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| optical defocus pattern electroretinography | 1.46 | 0.4 | 8650 | 26 |
| properties of a defocused optical system | 1.9 | 0.7 | 1036 | 63 |
