Gunnar Optiks JEM-01901 Advanced Computer Eyewear with JEM Satin Chrome Frame Reduces Glare- Reduces glare and improves visual focus Sharpens Detail- Enhances detail for sharper, clearer vision Minimizes Eye Fatigue- Reduces visual stress and dry eyes Improves Focus- Helps your eyes focus more naturally protecting against fatigue Amber Tint- Specially formulated tint conditions and shifts the color spectrum to provide superior contrast, detail and resolution Ergonomic Fit- Lightweight frame and adjustable nose pads for comfort and style 20/20 Ready- Out of the box solution for 20/20 or 20/20 corrected vision RX Compatible- Custom Prescription available through GUNNARs prescription program with Carl Zeiss Vision.