Buying Guide
The Geometry of Style: Flat vs. Wrapped Lenses (Understanding "Base Curve") You know that sunglasses come in different shapes: Aviator, Cat-Eye, Round.But there is a hidden geometric parameter tha...
Glass vs. Polycarbonate vs. Nylon: The Ultimate Sunglass Lens Material Guide
The Science of Clarity: Which Sunglass Lens Material is Actually Best? You check the frame material: Titanium. (Good choice).You check the fit: Adjustable Nose Pads. (Smart).But did you check the L...