Serengeti Bormio Progressive Prescription Fashion & Style Lens Size: 50

Lens Size:  50

and for medical implant technology gives you superior lightness

(Brown Gradient with Blue Flash Mirror)

Bridge 18 Base Curve 6X Frame Features: Anti-Corresive Traditional Hinge

Serengeti Bormio Progressive Prescription Fashion & Style Lens Size: 50SERENGETI BORMIO PROGRESSSIVE PRESCRIPTION Serengeti Bormio is light weight and fits comfortable on your nose. It uses 555nm lens and then adds a reflective blue coating that blocks more light. This makes it idea for boating and water activities and enhances the lens' eye protecting capabilities. The Bormio lenses use Serengeti's light weight Trivex lenses. All Serengeti lenses offer the latest in photochromic technology, which constantly lightens and