Is there anything better than high index lenses?

Polycarbonate is by far the safest lens available. It’s up to 10X more impact-resistant than high-index lenses and is therefore the ideal lens material for sports protective eyewear and children’s glasses. Polycarbonate is the standard choice for almost all eyewear that requires shatter and/or chip resistance.

Can high index lenses be transitions?

High Index Lenses with Transition Lenses? Transition (or photochromic) lenses automatically darken when exposed to the UV light of the sun and revert back to clear at night or indoors. That coating process is fully compatible with plastic high index lenses but cannot be applied to glass high index lenses.

Do sunglasses need to be high index?

Yes, the lightness of high index lenses can provide you additional comfort and can look stylish. But if you do not have a strong eye prescription, you may simply be wasting your money by purchasing lenses with a high index.

Can high index lenses be polarized?

Polarized high index only exists in 1.67 high index plastic. It is also only available in Single Vision in high index; you will not find high index polarized bifocals. You should always get anti-reflective coating on polarized high index lenses.

Why are my transition lenses stay dark?

When it is colder outside you may notice that your Transitions lenses seem to get darker than they do when it is warmer. This is because the molecules move more slowly when they are cold, which means when they are cold they will fade back from dark to clear more slowly.

What material are high index lenses?

High index lenses can be made of a variety of plastic and glass materials. High index plastic is a plastic material that is denser than standard plastic or polycarbonate. High index glass is similar in that it’s made of a glass material that is denser than crown glass.

Do high index lenses break easily?

High index lenses tend to be more brittle than the average pair of glasses. They may scratch and even shatter more easily than their other counterparts but there are usually anti-scratch coatings which can be added if necessary.

Are high index lenses glass or plastic?

Hi-index lenses are made of a special plastic material that refracts light in a different way than regular plastic lenses. Plastics are graded in numbers, such as 1.50 or 1.67. The higher the number, the thinner the lens. Because they are thinner, hi-index lenses are also lighter, making them more comfortable to wear.