| Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
|---|
| Frame Material & Durability | Daily use, active lifestyles | Industry: Plastic (ASTM D634, 20g) | Base: Same as Industry | Advanced: Stainless Steel (ASTM F1941, 22g) ▲▲ (2x corrosion resistance) |
| | (Industry: Lightweight but prone to scratches) | (Base: Same durability as Industry) | (Advanced: Resists salt spray for 500+ hours (▲▲)) |
| | | Base: Affordable, lightweight | Advanced: Heavier than Base (▲) |
| Certification & Safety | Compliance-sensitive markets | All: CE certified (meets EU safety standards) | Base/Advanced: Same compliance | Advanced: Added UV400 protection (▲) |
| | | (CE ensures basic safety and durability) | (Base: Standard protection) | (Advanced: Blocks 99% UV rays) |
| Portability & Case Design | Travel, on-the-go use | Industry: Basic case (no clip, 12cm) | Base: Compact case with clip (10cm) | Advanced: Reinforced cylindrical case (9cm) ▲ (30% slimmer) |
| | | (Industry: Bulky, no grip) | (Base: Easy to carry, ISO 3801 verified) | (Advanced: Drop-tested up to 1.5m (▲▲)) |
| Customization Options | Prescription needs | Industry: No prescription adjustments | Base: Limited (+1.0 to +2.5) | Advanced: Full range (+1.0 to +3.0) ▲▲ (customizable diopter)* |
| | | (Industry: One-size-fits-all) | (Base: Standard for mild prescriptions) | (Advanced: In-house lab for precise fits (▲▲)) |
| Design & Aesthetics | Professional/casual settings | Industry: Basic colors (black/clear) | Base: Clear/gold options | Advanced: Slim profile (2mm) + 5+ colors ▲▲ (modern design)* |
| | | (Industry: Generic styling) | (Base: Matches Base material finish) | (Advanced: Matte finish for reduced glare (▲)) |
| Comfort & Fit | Extended reading sessions | Industry: Plastic (20g) | Base: Plastic (18g) ▲ (10% lighter)* | Advanced: Metal (22g) + hypoallergenic coating ▲ (no skin irritation)* |
| | | (Industry: May cause discomfort over 4 hours) | (Base: Lightweight for all-day wear) | (Advanced: 40% less heat absorption (▲▲)) |