you can get it from your last eye care provider that made your glasses

Everything is for your ears only

Bridge 20mm Base Curve:  6x Prescription Yes

Male Frame Features: Saddle-style fixed bridge with embedded rubber nosepads

Lens Material: SkyForce Air™ Polarized lite lenses with Vector™ Anti-Reflective & Blue Wave™ lens technology

Dita Lancier LSA-423 Single Vision Prescription Sunglasses Select DITA Lancier Lens Color::Bluecut (Clear Optical)* you can get it fromDITA LANCIER LSA 423 SINGLE VISION PRESCRIPTION SPECIFICATIONS: Fit: Medium Frame Material: Ultralight Titanium Lens Size: 54x37mm (WxHt) Frame Fit: Temple 144mm, Bridge 16mm, Base Curve 4X Frame Features: Injected Anti Slip Nose Pads, Retention Cord Integration, Coin Pressed Detail Lens Features: 100% UVA and UVB protection lens with anti reflective and hydrophobic coating LENS OPTIONS: Authentic DITA Lancier Air, Land & Sea (Great Clarity) Authentic