Information About Progressive Bifocal Lenses

Bifocals, so-called because they offer two prescriptions (or two points of focus) on the same lens, are notorious for how difficult they are to become accustomed to. It can take days, weeks, and sometimes even months for patients to get used to the lenses, during which time headaches, nausea and improper vision can all occur frequently. Typically, bifocal contact lenses offer correction for near and far vision, with a portion of the lens devoted to each distance (usually near vision correction makes up only a small part of the lens). It is this that makes the lenses so difficult to get used to; the constant switching back and forth. Instead of this marked differentiation between distances, progressive bifocal lenses offer a smooth transition between near, intermediate, and far distances with all the requisite corrections necessary to facilitate a smooth blend from one to the next.

Most often, these 'zones' of the progressive lens will be ordered from top to bottom, with distance viewing achieved by looking through the top of the lens, intermediate through the middle and near when viewed through the lower portion of the lens. The size of each of these zones is largely dependant on what you intend to use them for and can be customized to best suit your eyesight needs. Perhaps the most exciting aspect, at least as far as aesthetics are concerned, of progressive lenses is the fact that because there is no line in the lens it is no longer obvious to others that you need bifocal lenses. Or maybe you just don't want to look like the old, grumpy librarian down the street!

Whatever the case, progressive bifocals are a viable alternative to traditional lined Executive or Franklin bifocals (as they are not-so-affectionately dubbed). And now that you're armed with this wealth of information you can proceed confidently to the links on the right side of the page, through which only the finest eye wear products can be found.

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