Bifocal Contact Lens

In the not too distant past people suffering from presbyopia had little choice when it came to eye-care, in fact it was bifocal glasses or nothing.

The good news is that technology has moved on in leaps and bounds and today it's simply a case of deciding which type of bifocal contact lens is best for you.

Bifocal Contact Lenses

Presbyopia tends to first affect people in their in their forties, when the ageing lens loses some of its elasticity. The result is that the eye has difficulty in switching easily between focusing on a near object (such as a restaurant menu) and a distant object (the waiter in the background).

The only way to correct the problem is to provide the eye with two different prescriptions, either with a different strength lens in each eye (monovision contact lenses) or with simultaneous vision lenses.

Bifocal Gas Permeable Contact Lens

Bifocal contacts are available in both soft and rigid gas permeable materials. Today's bifocal contact lenses are even available in a disposable or frequent replacement wear regimen. That means you can have the convenience of throwing the lenses out at specified intervals and replacing them with fresh, new lenses.

For people with presbyopia, Gas Permeable Bifocals are a popular option because they come in many designs. Different bifocal designs work well for different people, so having many choices is a real plus. Also, many people find that
the best combination of near and distance acuity is obtained with Gas Permeable Bifocals.

Disposable Bifocal Contacts

Disposable bifocal contact lenses first became readily available in 1999. The latest product is daily disposable bifocal contacts that you discard nightly and replace with a brand-new pair the next morning. Bifocal contacts work much like bifocal eyeglasses:

• They have two powers on one lens: one to correct distance vision, if that's needed, and the other to correct near vision.
• Some contact lens designs feature two "obvious" prescriptions, with the distance vision on the top of the lens and the near vision at the bottom, similar to a bifocal eyeglass with a line separating the powers.
• Other designs work more like progressive eyeglass lenses, where the different prescriptive powers are blended on different parts of the lens. Your eye learns to differentiate the proper power for the correct distance.

Most bifocal contacts come with a warranty so you can try them to see if they work well for you. These contacts are available in daily wear, extended wear and disposable. New bifocal contacts are now available that are performing better than ever before.

When it comes to bifocal contact lenses, insist on the best...
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