| 31. | Street hawkers sell everything from bifocals to calculators in a bid to get by.
|
| 32. | Boy, I got vision, and the rest of the world wears bifocals,
|
| 33. | He didn't need his bifocals to see the writing on the wall.
|
| 34. | Today, instead of old fashioned bifocals, I wear new fashioned multifocus lenses.
|
| 35. | Bifocals change the way the world looks and that has to change your outlook.
|
| 36. | He wears a wispy white beard and bifocals.
|
| 37. | Franklin also invented such conveniences as bifocal eyeglasses.
|
| 38. | The NV portion is used in prescriptions for bifocals to see very close objects.
|
| 39. | Benjamin Franklin in the 1780s developed the bifocal.
|
| 40. | Bifocal lenses are also available for this application.
|
