Blu-ray Reading Glasses Bifocal Reading Glasses #250 Degree 250 Degrees

Features:1. Progressive multifocal technology, creates 3 zones for different types of vision, no need to take off without fatigue for long time wearing.2.Anti-Blu-ray , prevent harmful blue light from endangering eye health.3.Anti-slip TR90 frame, great toughness and flexible.How to wear:1. In the early wear, follow the principle: From static to move, from indoor to outdoor.2. First, choose the appropriate scope for far vision, look straight ahead, but not either side.3. Determine the scope of the middle vision, slowly down to see through the middle of the transition zone. (There must be a slow adaptation process).4. Determine the scope of the near, jaw micro-income, eyes down to read the newspaper.5. Walk in the room, generally 4-5 days will adapt.6.In order to facilitate your later use, there is no indication line in the .

Description:
Item Type: Bifocal Reading Glasses
Material: TR90 Frame Resin
LensWeight: 20.4g
Total Length: 137mm
Nose Bridge Width: 17mmLens
Height: 41mm
Lens Width: 53mm
Legs Length: 133mm
: Black











a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a