Toric Contact Lenses
Toric contact lenses can help people with astigmatism. A toric lens corrects not only common myopia or hyperopia but also astigmatism.
Astigmatism is most often caused by an irregularly shaped cornea. It is a fairly common vision problem, and requires that the contact lens have two distinct curves in the lens.
To compensate for the abnormal eye shape, toric lenses are asymmetrical and should not rotate in the eye as regular (spherical) lenses may. Therefore, they have a special design to keep them in correct position. For example, the bottom part of the lens might be heavier to keep it facing down.
In years past, many patients with astigmatism were unable to wear contact lenses. Spherical contact lenses, with their single curve, did not fit the cornea well, and could not correct the astigmatism. However, these days almost all patients with astigmatism can wear contact lenses.
Earlier, soft contact lenses were generally not available for this condition. RGP lenses are still often used but nowadays there are also many soft alternatives, even one day toric lenses (see selection).
Because of a more specialized design, toric contact lenses are more expensive than spherical lenses. In some cases of a very high astigmatism, a custom-made contact lens must be ordered. In addition, toric contact lenses are now available in many colour options.
Pros/Cons
- Better vision for persons with astigmatism
- More expensive than regular contact lenses
Buy
Price comparison of toric contact lenses in the UK
 |
1-Day Acuvue Moist for Astigmatism,
30
pack
|
 |
Biofinity Toric,
3
pack
|
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