- Plastic Progressive Glasses Specifications: - Lens Width: 52 mm (2.05 inches) - Frame Width: 138 mm (5.43 inches) - Lens Height: 40 mm (1.57 inches) - Bridge Width: 20 mm (0.79 inches) - Temple Length: 152 mm (5.91 inches) - Weight: 18 g (0.04 lb) - Frame Material: Ultra-light, flexible TR90 - Multi-focal Functionality: - Lower section designed for close reading - Middle section optimized for computer and TV viewing - Upper section ideal for distant landscapes - Available magnification options: 1.0 to 4.0 - Enhanced Comfort and Protection: - Stylish design with blue light filtering capability - Durable TR90 frame resists deformation - Polycarbonate anti-blue light lenses help reduce exposure to blue light from digital screens - UV400 coating provides protection against harmful UV rays - Practical Use Scenarios: - Suitable for reading books, newspapers, or labels at close range - Designed for extended computer use or watching TV with reduced eye strain - Appropriate for outdoor activities requiring clear distance vision - Adjustment Period: - Most users adapt to progressive lenses within approximately one week - Adjustment time may vary by individual; allow additional time if dizziness occurs