| absorb ultraviolet rays | 0.41 |
| kill bacteria | 0.39 |
| provide protective buff… | 0.36 |
| improve contrast | 0.30 |
| reduce haze | 0.25 |
| feature slim 3.4mm-thic… | 0.25 |
| remain on the lens | 0.25 |
| useful | 0.72 |
| the most common | 0.46 |
| used to help protect th… | 0.66 |
| bought for $20 | 0.25 |