become thinner | 0.52 |
refract light | 0.45 |
bend light rays | 0.41 |
become opaque | 0.28 |
cover the front of the … | 0.25 |
create clear image of t… | 0.25 |
become weak | 0.16 |
much curvature | 0.39 |
astigmatism | 0.35 |
two curves | 0.29 |
curved | 0.77 |
shaped like football | 0.67 |
distorted | 0.46 |
shaped like the back of… | 0.41 |
reshaped | 0.37 |