Adjective:

દ્વિશતાબ્દી,

bifocal's Usage Examples:

avoid the discontinuities (image-jumps) sometimes found with bifocal and trifocal lenses Some people find them more cosmetically attractive.

Adjustable-focus eyeglasses might be used to replace bifocals or trifocals, or might be used to produce cheaper single-vision glasses.

For people with presbyopia and hyperopia, bifocal and trifocal glasses provide two or three different refractive indices, respectively.

ability to focus on close objects and hence require glasses for reading or bifocal lenses.

via microscopes, telescopes, bifocals etc.

accommodative convergence excess--long-term follow-up of conservative therapy with bifocal eyeglasses".

categories: Multifocal IOLs: achieve near and distance vision by having two (bifocal) or three (trifocal) focal points simultaneously.

" He looks askance at you over his wire-rimmed bifocals.

This is the first ever recorded use of bifocal technology in the animal world.

The first Varilux lenses" surface structure was however still close to a bifocal lens, with an upper, aberration-free half of the surface for far vision.

Current bifocals and progressive lenses are static, in that the user has to change their.

In a bifocal lens, this generally indicates what is to be placed in the top segment.

viewpoint of the heroine, and opens with a comment on Johnson Johnson"s bifocals.

Synonyms:

central,

Antonyms:

unimportant, peripheral,