Toric Contact Lenses for Astigmatism
Astigmatism is a condition that is brought on by an irregular shape of the cornea– the clear part of the eye that covers the iris and the student. The cornea is normally smooth, round, and spherical however in an astigmatic eye, the cornea becomes a shape that is not spherical and develops a second curve. Among the primary duties of the cornea is to focus light onto the retina which allows you to see plainly. When the cornea is out of shape and develops two curves, this produces two centerpieces for that reason causing blurred vision.
The irregular shape of the eye makes it hard for conventional contact lenses to fit and provide clear vision and therefore requires customized contact lenses such as toric lenses or stiff gas permeable lenses (RGPs).
What are Toric Contact Lenses?
Toric contact lenses are designed to fix astigmatism and are custom-made made to fit the eye of the patient.
Rather than having a perfectly round surface area like standard contact lenses, toric lenses have a more oval shape made to accommodate the shape of the astigmatic eye. Toric lenses can be made of either soft or rigid gas permeable (RGP or GP) lens products, however soft toric lenses are more common.
Toric contact lenses are likewise designed in such a method that the lenses remain in put on the eye to keep the correct vision. Often as the eye moves or blinks the lens can rotate significantly on the eye. If this rotation continues with a soft toric lens, a stiff gas-permeable lens may be more efficient. Stiff gas permeable lenses have a longer initial modification time, but once this has passed they are generally simply as comfortable as soft contact lenses and they are frequently easier to care for.
Toric lenses are readily available in every using schedule from daily non-reusable to long-term wear.
In some cases, you might even discover colored toric contact lenses. Due to the customization required, toric lenses tend to be more expensive and may take more laboratory time to make than standard lenses.
If you have astigmatism, discovering the best fit for your contact lenses is essential. Speak to your eye doctor today for a complete assessment to determine which type of toric lenses will work best for you to help you see and feel your best.