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Toric Contact Lenses

For a long time, sufferers of astigmatism have been treated as second class citizens when it comes to contact lenses.  The simple fact has always been that it just hasn’t been possible to achieve the same clarity of vision that glasses provide.  Until toric contact lenses arrived, that is.  Toric contacts are designed to provide the same sight-correcting functionality as a pair of glasses prescribed for astigmatism.

Let’s quickly go over what we’re talking about here.  What exactly do we mean by astigmatism?  A non-astigmatic eye has the same problem focusing light around the whole eye but in an eye with astigmatism, the problem varies around the eye.  This means that a lens needs to be shaped differently in different places in order to correct the astigmatism.

This naturally means that the lens has to be held in the correct position in front of the eye for it to work.  If you rotate it then your vision will become distorted.  This is easy enough to achieve with a pair of glasses because the frame of the glasses holds the lens in one position.

A contact lens, on the other hand, is free to rotate on the surface of the eye, so although it can be made to correct the astigmatism, if it’s going to rotate then the wearer’s vision is going to be constantly changing.

Toric contact lenses for astigmatism solve the problem by being weighted at the bottom.  Gravity then ensures that the lens will always end up in the same position.  The system is never going to be perfect but it’s a whole lot better than trying to wear normal contact lenses.

Being a specialist lens, the toric lens options are not as great as with other contacts, but things are improving all the time.  Monthly disposable toric lenses have been around for some time and daily disposable toric lenses are becoming more common place.

Acuvue Toric Contact Lenses – Astigmatism Solution?

Acuvue toric contact lenses could be your best bet if you have astigmatism.  One solution for astigmatism is what’s called a toric lens.   Regular spherical contact lenses have the same power all around the lens, so it doesn’t matter if the lens rotates on your eye. Toric lenses have two different powers in the lens, so they can’t rotate if you’re going to enjoy the best vision.  Acuvue has two basic solutions.

Acuvue Advance for Astigmatism are contacts from Johnson & Johnson that use your blink with the shape of the lenses.  The blink and the lens shape work together to keep the lens in position so it doesn’t rotate.  These lenses are noted for comfort too.  Plus they’re the disposable contacts that you wear for a week or two and then get new ones.  You clean the contacts at night and then change to new lenses after a week or two.  That way the cost is reasonable, but you still get that new lens comfort and feel just every few days.

The other Acuvue option is the Acuvue Oasys for Astigmatism.  Dry eyes bother you?  Maybe you spend a lot of time outdoors in the wind or in a dry climate.  That’s the place for the Oasys.  See, they’re made to be extra moist to help you if you’re bothered by dry eyes.  The toric technology is like the Advance contacts.  The difference is in the moisture content of the lenses.  These are the dry eye contacts if you have astigmatism.

Acuvue contacts are top sellers.  These toric contacts open up the option for soft contacts to many folks who need astigmatism correction.  The two options from Acuvue toric contact lenses will help many use comfortable contact lenses from a leading lens manufacturer.

These are more expensive than regular contacts.  The thing is you can order replacement lenses online and save about 25 percent off the retail price.  Plus, you don’t have to worry with the lenses not being in stock, which they likely aren’t at your eye doctor’s place.

 

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Astigmatism corrective toric contact lenses

Nowadays, toric contact lenses are available in nearly all lenses types, such as soft materials, disposable, frequent replacement, multifocals and colored types.

Toric contact lenses are similar with bifocals in focal points, which have two different powers resulted from different curvatures. So that toric lenses can correct both astigmatism and myopia or hyperopia. The difference between toric lenses and spherical lenses lies in that they can not rotate on eyes under blink or looking around. Toric lenses can be soft and RGPs and require more time and skills so that their prices are unavoidably higher.

If you only have a mild astigmatism between zero and 1.00 diopter, toric lenses is not a necessity. The rigidity of common spherical RGP lenses offer a comfortable shape for your cornea thus reduces the need for astigmatism correction. ECPs may also use high-power spherical soft lenses to achieve a same effect. Both of these two ways require some trials. A third type of lenses that reduce eye spherical aberration can also “correct” astigmatism without a need for toric lenses.

As mentioned before, toric lenses can be soft and RGPs. Most people neglect the shape-maintenance performance of RGP toric lenses and choose more comfortable soft lenses, even if RGPs provide a sharper vision.

Among the wide options of toric colored lenses, multifocal toric lenses and branded toric lenses, your ECP is the judge based on your eye conditions. While toric colored (both enhancement and change types) lenses are provided in both disposable and non-disposable types, multifocal toric lenses are mostly non-disposable and in RGPs type.

Toric contact lenses are offered by many brands in silicone hydrogel lens, including monthly disposable type and quarterly replacement lenses for special prescription. Customers always need to choose ECPs who offer fitting toric lenses for your personal vision welfare.

Article Source:http://vision.firmoo.com/contact-lenses/astigmatism-corrective-toric-contact-lenses.html

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Frequency Colours

12 pairs of monthly disposable coloured contact lenses. Available in Aqua Blue Brown Hazel Green and Grey

Focus Dailies Toric

Box of 30 toric daily disposable contact lenses

Durasoft 2 Optifit Light Eyes Contact Lenses

Astigmatism is a condition where the cornea is irregularly shaped causing distorted vision. A toric lens is specially shaped and designed to provide 2 different powers to the eye to correct this vision problem. This lens is unique in that it corrects hig

Freshlook Colorblends

12 pairs of monthly disposable coloured contact lenses. Available in Amethyst Blue Brown Gray Green Honey Turquoise True Sapphire and Pure Hazel.

Acuvue (8 boxes)

12 month supply of disposable contact lenses

Soflens 1 day contact lenses (30 pairs)

One month supply of daily disposable contact lenses

Frequency UV

6 month supply of disposable contact lenses