Before the development of high index lenses, both long and short sighted people with high prescriptions had to live with thick and heavy lenses. These gave only gave a poor cosmetic appearance but ...

Your eye doctor might recommend lenses that are both aspheric and high-index. Where aspheric refers to the lens profile, high-index refers to lens material and thickness. The higher the index ...

Learn more. Picking frames that look right is tough enough. After that all-important decision, you still have to choose eyeglass lenses and coatings. Those decisions are key to how well you'll see ...

Thinner, lighter high-index lenses are especially recommended if you have a strong eyeglass prescription for nearsightedness, farsightedness or astigmatism. High-Index Lenses 1- Thinner.

From blue light-blocking lenses, Transitions, and polarized sunglasses to progressive, bifocals, and readers, Zenni can meet ...

Depending on what your eye doctor advises, some people can get along just fine with basic plastic CR-39 lenses, while some may want to consider thinner and pricier polycarbonate or high-index ...

Roka offers either single-vision or progressive sunglass lenses. Choose between polycarbonate, Trivex or high-index lenses. All are polarized. Prescription sunglasses are custom made and shipped ...

While I was hoping to score a pair of $7 prescription glasses, my progressive, high-index, and prescription lens needs kept my pricing options around $100 to $120. With sunglasses, there are a ...

You may be able to get along fine with a basic plastic lens at level CR-39, or you may need polycarbonate or high index lenses, which are thinner but pricier. These are usually better for strong ...