**Product Specifications:**
Brand: Mr. PuTian
Dual-purpose eyewear: reading glasses and sunglasses
0-degree flat light area for clear vision at a distance
Large area for reading in the near vision zone
Wide field of view for near vision
Equipped with progressive tinted lenses for effective blocking of strong light outdoors
Light-colored area below the lens to maintain clear near vision
Blue light blocking lenses with additional tinted coating
Surface coated with anti-reflective film for ultra-high light transmittance and clearer vision
UV protection
Blue light test: No color change observed on the test card after exposure to blue light
Lens coverage effectively blocks blue light, preventing color change on the test card
Progressive Gray: Front, 45°, 180°
Progressive Brown: Front, 45°, 180°