Set of 2 frameless blue light blocking reading glasses

General Description: Effective eye protection with these frameless blue light blocking reading glasses. They block harmful blue light emitted by screens, relieving eye strain and protecting your vision. The HD lenses restore clarity and display high-definition images, offering you a colorful world. The spring hinge allows for smooth opening and closing, adapting to most face shapes. Technical Specifications: Lens Thickness: +2.5 mm; Lens Optical Properties: Anti-reflective; Lens Color: Clear; Coating: HMC; Total Width: 140 mm; Lens Width: 54 mm; Lens Height: 30 mm; Frame Width: 20 mm; Temple Length: 141 mm; Package Contents: 2 pairs of reading glasses