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Home » Clearvue News » A Closer Look at Astigmatism and Contact Lenses

A Closer Look at Astigmatism and Contact Lenses

Have you ever thought about contact lenses as an option to correct astigmatism? The cornea is normally spherical, but in the case of someone with astigmatism, it's more elliptical. This ostensibly small feature actually alters how light enters the eye, and results in blurred vision.

Toric contact lenses are prescribed to correct this condition. The biggest difference between toric lenses and regular lenses is the design. As opposed to regular lenses, which have one power throughout the lens, toric lenses have two different powers; one which addresses astigmatism, and one which addresses trouble with distance vision. Since they feature two different strengths, these lenses need to remain in place on your eye in order to correct your vision, unlike normal contact lenses, which have no effect if they rotate on your eye when you blink. Contact lenses for astigmatism are actually ballasted on the bottom, to prevent them from moving around on your eye.

Just like regular lenses, toric lenses are available as soft disposable contact lenses, daily disposable lenses, and frequent replacement lenses. And people with astigmatism need not worry about options; toric lenses also come in color, or as multifocals. Rigid gas permeable lenses (RGP, or hard contact lenses) are made from a harder material that keeps their shape even when you rub your eyes or blink, and sometimes provide even better vision than other lenses. But the disadvantage is that they are usually not as comfortable to wear. Together, we'll be able to find the best brand to suit your eyes.

Toric lens fittings often take longer than normal lens fittings. This is because it's a more complex product, and we want to make sure you're fitted just right. It might sound a little daunting, but it's well worth the end result; getting treated, glasses-free. Being fitted with the right product will only improve your vision, and consequently, your everyday life.