Manufacturers: Hoya
Zeiss
Varilux
Essilor
Nikon
Material Types: CR-39 (Standard Plastic)
Hi-Index Plastic
Polycarbonate
Types of Lenses: Single Vision (Distance/Near Vision)
Bi-Focals
Tri-Focals
Progressives
Additional Options: Transitions/PhotoGrey Lenses
Anti-Reflective Coatings
Polarized Lenses