**Product Specifications:**
**Brand:** Quark
**Model:** SM9502 (Square Frame) / SM9503 (Round Frame)
**Color:** Light Yellow
**Total Weight:** Approximately 9g
**Lens Size:** Approximately 130mm
**Lens Material:** PC
**Core Features:**
UV Protection: Absorbs blue light (AAA level), blocks 99% of UV rays (380-500nm), including UV400nm and HEV high-energy light
HD Vision: Enhances color saturation, provides high-definition clarity
Melanin Factor: Incorporates melanin to reduce eye fatigue and dryness
**Key Points:**
Utilizes US-patented Melanin Fusion Lens technology
Melanin is a natural hormone in the human body that helps filter strong sunlight
Melanin in the lens interacts with melanin in the eye to resist harmful light
Protects against harmful light such as UV, blue light, glare, and scattered light
Ideal for computer work, gaming, driving at night, studying, and office use
**Additional Information:**
Lightweight design (9g) with a comfortable silicone nose pad
Suitable for prolonged wear to reduce eye strain and fatigue
Easy to install on glasses frames
Comes with a US patent for Melanin Fusion Lens technology
**Package Contents:**
1 x Quark Melanin Lens Clip
1 x Silicone Nose Pad
1 x User Manual
**Patent Information:**
US Patent Numbers: US7029758B2, US8133414B2, US8133414
Patent Type: Utility Patent
Summary: Melanin-infused lenses for eye protection against harmful light
Please note that measurements are approximate and may vary slightly.