| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what are photoreceptors in the eye | 1.42 | 0.1 | 6824 | 73 | 34 |
| what | 0.23 | 0.5 | 2264 | 20 | 4 |
| are | 1.58 | 0.8 | 8158 | 83 | 3 |
| photoreceptors | 1.46 | 0.6 | 2215 | 82 | 14 |
| in | 0.41 | 0.3 | 7105 | 44 | 2 |
| the | 0.72 | 0.3 | 9870 | 89 | 3 |
| eye | 0.3 | 0.3 | 7243 | 11 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what are photoreceptors in the eye | 1.33 | 0.8 | 2950 | 72 |
| photoreceptors in the eye | 1.54 | 0.8 | 4936 | 24 |
| how many photoreceptors in human eye | 1.77 | 0.1 | 4775 | 99 |
| what part of the eye contains photoreceptors | 1.31 | 0.6 | 1512 | 1 |
| where are photoreceptors located in the eye | 1.64 | 0.4 | 8798 | 33 |
| which part of the eye contains photoreceptors | 1.62 | 0.8 | 9108 | 80 |
| what layer of the eye contains photoreceptors | 1 | 1 | 6779 | 6 |
| are photoreceptors in the retina | 1.52 | 0.5 | 7415 | 91 |
| are photoreceptors interoceptors | 1.75 | 0.7 | 6459 | 2 |
| photoreceptors in the retina | 0.53 | 0.6 | 1669 | 60 |
| photoreceptors in the fovea are called what | 1.21 | 0.4 | 3571 | 20 |
| where are the photoreceptors in the eye | 1.6 | 1 | 2638 | 23 |
| number of photoreceptors in human eye | 0.02 | 0.3 | 8136 | 86 |
| two types of photoreceptors in the eye | 0.26 | 0.5 | 3706 | 24 |
