More and more people in the UK are switching from eyeglasses to contact lenses.
However, to enjoy optimal visual comfort, it is essential to choose the right lens model.
Here's what you need to know about toric contact lenses and whether they might be right for you.
All contact lenses have a shape specifically adapted to the visual disorder they are intended to correct.
Indeed, the curvature of the contact lens changes the path of the light refraction on the cornea.
The particular curve of the lens is besides mentioned on the contact lens prescription.
Toric contact lenses are shaped like half a doughnut, which is more elongated than the spherical form of standard lenses.
This particular shape offers several refractive powers in both vertical and horizontal levels.
Thus, depending on the axis of the contact lens, the light refraction decreases or increases in intensity.
Regardless of the wearer's movements or viewing distance, vision remains sharp and clear.
Toric contact lenses are available in all possible replacement frequencies, daily, monthly or annual.
It is possible to choose toric lenses in a rigid version for a good hold in place or a soft version for a quicker adaptation.
Toric contact lenses can even be coloured for those looking for originality.
Although this type of lens generally offers good comfort and ease of use, they should always be handled with care.
The specificity of toric contact lenses allows them to correct several different visual disorders.
However, they are most often dedicated to people affected by astigmatism.
Indeed, astigmatism is a visual deficiency affecting both near and far vision.
People with astigmatism have a curvature defect of the cornea or of the crystalline lens, which are the refraction centres of the eye.
With their specific curve and the different refractive powers they offer, toric lenses compensate for this ocular curvature defect.
In addition, astigmatism is often coupled with myopia or hyperopia.
With its two refractive focal points, the toric contact lens can cover the entire visual field and all distances.
Toric contact lenses are therefore particularly suitable for people with astigmatism.
Feel free to ask your Optical Center optician for more information about toric lenses.
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