What You Need to Know About Toric Contact Lenses

Contact lenses have come a long way since the time Da Vinci first conceptualized the idea in early 1500s. It is one of the few inventions that has evolved to its peak potential, and has become a safe, easy-to-use and comfortable alternative to eye-glasses. Moreover, just about anyone can wear contacts with no danger of affecting their eyesight.

Contacts are not only used to correct eye defects, but also for cosmetic reasons; and even both. Today, market is flourished with literally thousands of designs and pattern of contact lenses. Some popular choices include colored lenses such as hazel, green and blue; or special effect lenses such as Barbie eyes, glossy eyes, funky wizard; or character theme lenses like Sharingan, Mystique, Dracula, the list can go on! Moreover, you could also buy colored contacts for astigmatism, myopia, hyperopia, presbyopia and other eye-sight conditions.

Toric Lenses:

Toric lenses are contacts for Astigmatism. They are made from the same material as other contacts, but have two powers in one lens. One is for astigmatism and the other for hyperopia or myopia. Unlike regular lenses, toric lenses have two surfaces, one with a torus and the other with spherical. It's shape can be imagined as a slice from the side of a donut.

These lenses have different focal powers around the vertical and horizontal axis; hence, it may need a bit of adjustment after wearing, because it has to to stay put in a certain orientation to provide a clear, rectified vision.

Types of Toric Lenses:

You could buy from a range of toric lenses such as toric focus dailies, disposable contacts, colored toric lenses, soft or rigid gas permeable (RGP) and more, each having its pros and cons. For instance, soft torics are comfortable but needs extra fitting adjustments. RGV fits better but are dry and delicate.

Types of Colored Contacts:

Colored lenses are made to mimic the appearance of natural eye color like Hazel, Amber, Green, Blue, you name it! However, they can be categorized into 3 broad types:

Visibility Tint: They don't affect the natural eye color. A light tint is added to help you see during insertion or after dropping it. It's tint can be seen when placed on a white surface.

Enhancement Tint: This solid but translucent tint is meant to enhance ones natural color; suitable for people who want to intensify their natural eye color.

Opaque Tint: This solid tint comes in an array of colors. This type of contact will completely change the color of your eyes.

Astigmatism arises due to difference in the curvature of cornea or the lens. So, Toric lenses, should only be bought after consulting an ophthalmologist; even if it's a colored one. The doctor will choose a precise set of lenses for your condition.