DRATRA HD Multifocal Progressive Blue Light Blocking Reading Glasses Semi-Rimless Ultra-Light Unisex Elderly Glasses for Near and Far Vision

Multifocal lenses designed for clear vision at far, near, and intermediate distances

Progressive lenses with smooth power transition and reduced aberrations

Blue light blocking technology with high light transmittance for natural color restoration and reduced eye strain

Wide channel design for quick adaptation, suitable for users aged 40+

High-definition visual clarity with multi-angle vision

Balanced blue light filtering that blocks harmful blue-violet and ultraviolet rays (380nm, 445nm, 505nm) while allowing beneficial blue-green light

Anti-blue light coating reduces harmful high-energy blue light without significant color distortion

Compared to traditional blue light lenses, these lenses offer softer vision and less chromatic aberration

Progressive lens design eliminates image jump and narrow field of view common in single or bifocal lenses

Quality Inspection Report by Xiamen Product Quality Supervision and Inspection Institute

Meets standards for blue light blocking efficiency and optical performance

Passed blue light blocking tests with >60% blocking in 445-475 nm range and >80% in 475-505 nm range

Fashionable and sophisticated frame style

Durable hinges with smooth opening and closing

Curved temple tips for comfortable fit

Glossy finish on temples

Suitable for various face shapes without discomfort

Measurements may vary slightly due to manual measurement methods; this does not affect wearability

Product designed for middle-aged users requiring multifocal vision correction with blue light protection