bifocal lenses
Two-prescription sight aids
Bifocal lenses are eyeglass lenses with two distinct optical zones—typically one for distance vision and one for close-up reading.
The division is usually visible as a line across the lens.
She got bifocals when she turned fifty and couldn't read menus anymore.
Often shortened to bifocals.
- Benjamin FranklinColonial American polymath statesman
- presbyopiaAge-related near vision loss
- eyeglassesCorrective lenses worn
- monoclesSingle-lens eyepieces
- hyperopiaDifficulty seeing nearby objects
multifocal · lorgnettes · spectacles · corrective lenses · ophthalmology · polycarbonate · lenses · astigmatism · squinting · visual acuity · line of sight · blurry · farsighted · prescription · nose · aging · optometrist · eye exam
- opticslenses, mirror, mirrors, prism, prisms
- contact lensescontact lenses, contacts, soft lenses, Acuvue, daily lenses
- eyewearglasses, sunglasses, eyeglasses, spectacles, shades