Toric Contact Lenses: What Are They For?
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You may possibly have heard that toric
lenses are contact lenses for astigmatism. What will they be
and why do they help?
We walk you through simple tips on how to place your contacts and what you may need them for.
What exactly are toric contact lenses?
A toric lens refers to contact lens that will be shaped in a specific way unlike standard contact lenses that have a spherical surface: A torus, in comparison, is a geometric shape that seems like a donut. A toric lens is shaped like a slice regarding the side for this donut. The design of toric contact lenses creates different refractive, or focusing, powers from the vertical and horizontal orientations.
Contact lenses for astigmatism
Toric contact lenses correct for astigmatism problems that arise from a different type of curvature in connection with cornea or lens in your eye (referred to as regular astigmatism, corneal astigmatism or lenticular astigmatism). In these instances, the cornea or lens is curved which means that your refraction regarding the eye differs among the vertical and horizontal planes, which end up in blurry vision. Sometimes, vertical lines will show up to tilt. The energy for toric contact lenses to offer different refractive powers through the vertical and horizontal orientations addresses this particular peculiarity that creates astigmatism.
Choosing toric contact lenses
Toric contacts, as with every contact lense, should always be prescribed because of the doctor, who can find the lenses that could be suited to your eyesight, and fit them when it comes to eyes. Seek advice from your eye doctor if you think you will need contact lenses for astigmatism or just about any other vision problems. Meanwhile, have a look at important things take into consideration:
Fitting is essential
Since toric contact lenses have a specific orientation, they have to stay “glued” to your eye when you look at the right way. Manufacturers design toric contact lenses with features to assist the lenses stay put, including thin-thick zones; lens truncation, where in fact the bottom regarding the lens is take off only a little; and ballasting, where in fact the lens is only a little thicker or heavier.
Different types of toric contacts
Toric contact lenses also address other visual corrections, and certainly will be bought in just about every wear schedule. It is possible to have toric dailies and also other disposable toric contact lenses — you may want to have colored toric contact lenses.
Toric contacts are often beautifully made with both soft and rigid gas permeable (RGP), or hard lenses. RGP lenses can be definitely better at staying put, but additionally involve a lengthier initial adjustment a while could possibly be drier and more delicate. Soft toric contact lenses tend to be more comfortable and much easier to handle, but need extra care in fitting for which to keep place.
Today you'll find so many brands and styles of toric soft lenses, including disposable contact lenses for astigmatism that you can get in designs and materials for monthly, biweekly and in addition daily replacement. There are also color contact lenses with toric designs that correct astigmatism while enhancing or swapping your eye color, and toric bifocal contact lenses that correct both astigmatism and presbyopia. There even are toric silicone hydrogel lenses created for just as much as thirty day amount of overnight wear.
Much like every contact lenses, get hold of your eye doctor about getting toric contact lenses for astigmatism.Once you are prescribed, you can get your toric contact lenses here on Lens World.