| lens → HasA → optical power | 0.46 | |
| lens → HasA → different portions | 0.32 | |
| lens → HasA → a plurality of vision areas | 0.25 | |
| lens → HasA → different radii of curvature | 0.25 | |
| lens → HasA → individual cornea | 0.25 | |
| lens → HasA → lca | 0.25 | |
| lens → HasA → their respective refractive pro… | 0.25 |