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A Closer Look at Astigmatism and Contact Lenses

Are you aware that there are contact lenses especially made to correct your astigmatism? The cornea is ordinarily round, but the cornea of someone with astigmatism is more oval-shaped, almost like a football. This ostensibly minor feature actually changes the way light hits the retina, and as a result, vision is unclear.

Contact lenses that correct astigmatism, which are called toric contact lenses, are made from the same material as regular spherical contact lenses. What separates these from common contact lenses is the design. Consider them almost like the bifocals of contact lenses; they contain one power for your near or far sightedness and another for your astigmatism. Because of their multiple powers, toric lenses need to stay in place on your eye. This is not the case with normal lenses, which can shift slightly and not affect your sight. A handy feature of astigmatism-correcting lenses is the fact that they're weighted at the bottom, which helps them stay in place when you blink or rub your eyes.

There are multiple scheduling options for toric contact lens wearers, including soft disposable contact lenses, daily disposable lenses, and frequent replacement lenses. If you like to wear colored or multifocal contact lenses, there are toric lenses for you. Hard contact lenses, also called rigid gas permeable lenses, have a firmer shape which helps them stay in place, but they aren't always as comfortable as soft lenses. .

When it's time for your toric lens fitting, it's going to take some time, due to the complexity of the product. Still, with constant improvements in the field of optometry, those with astigmatism have lots of life-improving options to choose from.