| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| visual acuity and refractive error | 0.92 | 0.3 | 2575 | 57 | 34 |
| visual | 0.98 | 0.5 | 1950 | 75 | 6 |
| acuity | 1.28 | 0.1 | 9332 | 84 | 6 |
| and | 1.4 | 0.9 | 6548 | 45 | 3 |
| refractive | 1.96 | 0.6 | 27 | 57 | 10 |
| error | 0.36 | 0.3 | 9249 | 23 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| visual acuity and refractive error | 1.18 | 0.9 | 3190 | 2 |
