Bifocal Contact Lenses For Presbyopia

People suffering from presbyopia, which makes people unable to read at the usual distance from the eyes and need to place the reading material at a distance further away, were initially prescribed bifocal glasses that could be used to correct two different kinds of problems with the eyes. These bifocal were difficult to manage, so scientists designed contact bifocals for people who wanted to avoid the hassles of bifocal glasses.

If you know of someone or you are having trouble with eye haziness even at arm's length you probably have a condition known as presbyopia. Those with presbyopia will need to have bifocal correction, thus the demand for bifocal contact lenses for those who don't want to wear glasses. A study showed that in 2014 the demand for bifocal contact lenses will be close to double what it is now.

Eyes can adjust the power according to the distance from the object, which is not be possible with glasses where in the maximum number that can be accommodated is two, one type at the top part and the other at the bottom part of the glasses.

Recently, bifocal contact lenses have been developed for almost every kind of contact lens on the market. This advancement is great for the aging population already wearing single vision contacts but needing to "step up" to the bifocal lens.

Bifocal contact lenses work just like bifocal glass lenses do; two powers of glass in each lens provide different focus adjustments, one for far away (distance) and another for close up. Both adjustments are contained in each contact lens. Different manufacturers make different types of bifocal lenses, and it may take some experimentation to discover which type is right for you.

The third type of bifocal lens is the translating lens. Like bifocal glasses, the near correction is near the bottom of the lens and the distance correction is above. Since these lenses can't shift in the eye, they are usually made so that they can't move easily. Ask your optometrist which type of lens he'd recommend for you. Since each will take require an adjustment period, be patient. You may want to research brands and types of lenses before going to your optometrist to decide if you want extended wear, daily disposable lenses or conventional contact lenses.

By: Ray Lam..

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