- 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) - Nose 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 a blue light filter - Durable TR90 frame that resists deformation - PC anti-blue light lenses reflect and reduce harmful blue light from screens - UV400 coatings protect against harmful UV rays - Practical Use Scenarios: - Ideal for reading books, newspapers, or labels up close - Great for extended computer work or watching TV without eye strain - Perfect for outdoor activities where distance vision is important - Adjustment Period: - Most users require about a week to acclimate to the progressive lenses - Adjustment duration varies by individual; take your time if you experience dizziness