With advancement in technology, there are tons of lenses available for sunglasses. These lenses are available for both non-prescriptions in addition to prescription sunglass lenses. You have to put thought before buying your prescription sunglass lenses to find the benefit of protection in addition to design for your eyes. Do not become overwhelmed by the choices available and ask your optician.
Kinds of Lens accessible –
- Aspheric – traditional lenses’ surface is curved which offers the kind of curve. Nevertheless, the surface of lenses is more complex when compared with the conventional ones. The curvature of the glass varies from the centre. Correction can be provided by them and are lighter and thinner to offer style.
- Bifocal and trifocal – These lenses combine the vision correction needs for farsightedness in addition to close. Bifocal lens’ eye care region is for distance whereas the bottom half is for up viewing. This is. Trifocals have an extra section. It has magnifying power.
- Hi-index – This is intended for people who have prescriptions are widely used as prescription sunglass lenses. Less material is needed to correct eyesight and these lenses are lighter and thinner making them comfortable.
- Photo chromic – These lenses darken when exposed to progressive lenses eliminating the need for sunglasses or clip-on. They are popular among people of all age classes and are available in a number of designs and fashions.
Get eye examination done every period of time is necessary for every group of people. They are well exposed to their result.