Here is a listing of types of lenses that are available for those who want to know.
Please note that not all lenses & coatings are made the same. There are differences in price & quality including the manufacturing process, patented curves and aspheric designs that allows the best visual clarity possible. We carefully select the highest quality manufacturers and products for your complete satisfaction and guarantee. We also offer the latest and thinnest lenses at the best possible pricing.
Coatings: Anti-scratch coatings, anti-reflection coatings, mirror coatings.
Computer Glasses: Panamic, Ao technica, etc.
Edges: can be rolled and polished.
Lenses That Darken in the Sun:
Solera (new), Next Generation Transitions, Photoshades, Transitions III, XtraActive, Photogray and Photobrown Extra, Photosun 11, Sunsensors, Quantum, Splitz, and others.
Multifocals: Flat tops (25,28,35), roundtops (22), executives (bifocals and trifocals), trifocals (7X25, 7X28, 7X35, 8X35).
Occupational: Quadrafocals (trifocal on the bottom with an upside down flat top above), Double bifocals (bifocal on the bottom with an upside down bifocal above), and others.
Polaroids: Omega sunlens, grey a, c, green or brown c, & Eagle 475.
Comes in plastic, transitions, high index, polycarbonates, and glass.
The performance of Varilux