Toric Contacts

What are toric contacts? Well, if you are someone with astigmatism you may have been told or just thought you could not wear contact lenses. But this is no longer true.

Toric contacts, available in both RGP and soft lens format, are made to correct astigmatism as well as myopia or hyperopia (nearsightedness and farsightedness, respectively).

They are also available in a multifocal form to correct presbyopia -- a condition occurring naturally in the aging process, where the eye cannot focus on close objects.

Astigmatism occurs when the cornea of the eye has an uneven curvature that causes refractive light rays to be bent out of focus, either horizontally or vertically. The result is distorted vision. Normally, the cornea should curve equally in all directions, allowing light to focus on the retina.

Toric lenses, which are made from the same materials as soft or RGP lenses, have both spherical and cylinder elements to correct the astigmatism and the myopia or hyperopia. They are also shaped to maintain accurate placement on the eye itself as you blink or look around, offering crisper vision.

Most commonly, rigid gas permeable (RGP) contact lenses are the nonsurgical solution in correcting astigmatism -- due to their rigidity, RGP lenses allow tears to fill in the irregular areas of the cornea, smoothing out the surface of the cornea and correcting the astigmatism.

Toric contacts are more expensive than regular contacts because of the extra time it takes to be properly fitted for these lenses, which is vital to their effectiveness, and due to the more complicated manufacturing techniques involved in their production. The cost will also be affected by the type you choose -- they are available in frequent replacement, disposable, daily disposable, and even toric colored contacts. Ultimately, an eyecare professional who fits toric contacts will help you find the best lens type for your eyes.

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