What are high index glass lenses?

What are high index glass lenses?

High-index lenses can reflect up to 50% more light than regular glass or plastic lenses. Because of this greater reflectivity, it’s essential to have an anti-reflective lens coating (AR coating) applied to high-index lenses. AR-coated high-index lenses transmit up to 99.5% of light to the eye for optimum vision.

Does ZEISS make glass lenses?

Zeiss progressive lenses can be customized like a tailor-made suit thanks to freeform technology and are now available in any possible combination with regard to eyeglass frames, lenses and prescriptions. Furthermore, ZEISS progressive glass lenses can now also be customized for the intermediate and near vision ranges.

Can you see better with high index lenses?

Higher-index lenses — especially for strong prescriptions — might be able to reduce some of that strain on your eyes because of the way that these extra-refractive lenses disperse light. Then, you might consider trying high index lenses to see if you can get better performance out of them.

Which is better Zeiss high index or plastic lenses?

Returns are for the one-time free redo only. The Zeiss glass high index lens is a good choice for corrections up to +/-6.00. Glass lenses have much better optics than plastic lenses, and have much better scratch resistance. PLEASE ALLOW 2-3 WEEKS FOR PROCESSING GLASS LENSES.

Which is the best Zeiss lens for corrections?

The Zeiss glass lens is a good choice for corrections up to +/-10.00. However, if you want the top-quality Zeiss Duracoat No-Glare coatings, they are available only on plastic lenses, and are not available for glass lenses. Returns are for the one-time free redo only.

What makes Zeiss 1.9 high index glass brittle?

Due to the thinness of high index glass and the inherent properties of glass, 1.9 high index glass lenses of any construction are innately brittle. Zeiss 1.9 Lantel, however, is especially thin at the center, leading to a structural fragility that makes it very prone to breakage.

How long has ZEISS glass been in business?

In business for over 160 years, Zeiss produces and develops solutions for businesses as varied as eyeglass and camera lenses, semiconductors, automotive and mechanical engineering, medical, and biomedical industries. Superior optics, craftsmanship, and quality are synonymous with the Zeiss name.