Progressive Multifocus Reading Glasses Blue Light Blocking Multifocal Eyewear Color: Black, Black-Purple Frame Material: PC Magnification Strength: Strength 1.0x ~ 4.0x Lens Material: Resin Type: Progressive Multifocal Reading Glasses Style: Fashion, Classic Lens Technology: Blue Light Blocking, Progressive Multifocal -What are progressive multifocal reading glasses? Asymptotic multifocal glasses are the upper optical area of the lens used to look far and the lower optical area used to look near. The degree of the middle gradually change, which is used to look at the intermediate area. Most people who wear progressive multifocal glasses need about a week of adaptation, but the adaptation period varies from person to person; they walk slower when they feel dizzy.
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