| 1 | You may need frequent changes to your eyeglasses prescription. | |
| 2 | That is thoughtful of you. I have heard that it packs quite punch. | |
| 3 | Or if you need vision correction, you might get an extra pair of prescription eyeglasses. | |
| 4 | Neither Eular circuit nor Eular path exists in this graph, since there are more than two vertices with odd degree. | |
| 5 | I just had my eyes tested last week, so it should be precise. |