41. Or, if you prefer, bifocals . 42. Many people suddenly find themselves using bifocals or frequently slipping reading glasses on and off. 43. Half-glasses or bifocals used to be the only answer for people with presbyopia. 44. Archbold, like Franklin, is balding and requires the use of bifocals and cane. 45. Bifocals / trifocals will show a gradation from top to bottom in the lens strength.46. Fifty years after they began their bloody 36-day battle, the heroes wore bifocals . 47. Sue Patton carefully observed all this through bifocals while cooling herself with a plastic motorized fan. 48. They don't need bifocals , watch their sodium or retire to condos in Florida. 49. Results vary from person to person; wearers of bifocals should sit farther from their screens. 50. Progressive lenses, bifocals with no telltale lines, cost between $ 250 and $ 300.
