One of the lens surfaces is shaped like a cap from a torus (see figure at right), and the other one is usually spherical. Toric lenses correct astigmatism by incorporating two different prescriptions in one lens The meaning of toric is of, relating to, or shaped like a torus or segment of a torus
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How to use toric in a sentence.
A toric lens is a contact lens that's shaped in a particular way
Standard contact lenses have a spherical surface Think of a slice of the side of a beach ball. Toric lenses are designed to correct astigmatism and provide sharper vision, reducing or even eliminating the need for glasses or contact lenses after surgery However, like any medical intervention, the use of toric lenses comes with both advantages and disadvantages.
Toric contact lenses are specially designed contacts for correcting astigmatism People with astigmatism have corneas that aren’t perfectly rounded, which causes light to bend in a way that hits multiple spots on the retina as opposed to just one. Toric lens implants are a valuable option for patients with significant astigmatism undergoing cataract surgery While more expensive than standard iols, they offer precise correction of astigmatism, improved visual acuity, and reduced dependence on glasses or contact lenses.
