1.9 Index Glasses
Organic, that is to say in plastic lenses, are today the most widely used lenses in eyewear optics. Several ranges and forms of lenses can be found from different manufacturers.
High index lenses offer a thinner lens but usually have lower abbe values. The Abbe value determines to a big part the optical integrity of the lens. Corning’s premium clear glass lenses can be found in a variety of refractive indices up to 1.9, to supply the best in thin, optically superior prescription lenses. If you have a solid prescription and are looking for thinner, lighter lenses with a far more attractive
More recently, the most recent trends in eyeglass frames include plastic and metal rimless frames, as well as frames which contain thinner rims which expose the edge of the lens. Choosing a small lens size frame is the biggest determinant of lens thickness and weight! Smaller frames also decrease the amount of lens distortions/aberrations.
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