Metal Frames | Daily wear, formal events | Material: Industry Standard (ABS plastic, ISO 1043) ▲ Base: Stainless steel (ASTM F899, 1.2mm thickness) ▲ Advanced: Titanium (ASTM F1580, 0.8mm, 40% lighter) | Lightweight, corrosion-resistant, hypoallergenic (ISO 10993 compliant) | Higher cost, less impact-resistant than polycarbonate (ASTM D3763) |
Polycarbonate Frames | Sports, children’s eyewear | Material: Industry Standard (PC, ISO 14971) ▲ Base: 2.5mm thickness (ISO 3801) ▲ Advanced: UV-coated (ISO 12312-2, 99% UV block) | Impact-resistant (ASTM F803), UV protection, cost-effective | Heavier, less stylish, prone to scratches (ASTM D3363) |
Square Frames | Modern style, rectangular/oval faces | Shape: Square geometry (ISO 12872) ▲ Base: 55mm lens width ▲ Advanced: 58mm + anti-reflective coating (ISO 14766) | Bold aesthetic, modern look, compatible with rectangular/oval faces | May not suit round faces, requires precise fit (ISO 12872) |
Face Shape Compatibility | Round/square face users | Fit: Industry Standard (50% compatibility) ▲ Base: 70% compatibility ▲ Advanced: 95% via adjustable nose pads (ISO 12872) | Enhanced comfort for round/square faces, tailored design | Limited appeal to oval/heart-shaped faces, narrower customization range |
Color Variety | Personal style expression | Colors: Industry Standard (3-4 colors) ▲ Base: 5+ colors (ASTM D2244) ▲ Advanced: Transparent/gradient finishes (ASTM E1164) | Wide selection (e.g., silver, coffee, gold), trendy options | Some colors may fade over time (ASTM D523), limited availability in niche shades |
Customization Options | Prescription needs, personalized fit | Features: Industry Standard (basic nose pads) ▲ Base: Saddle nose pads (ISO 12872) ▲ Advanced: Anti-blue light coating (ISO 13666) | Tailored fit, enhanced functionality (e.g., UV/anti-blue light protection) | Longer production time, higher cost for advanced features |