Instruction This is a double light presbyopic glasses there is plain region on the top and hyperopia region on the bottom help to correct both hyperopia and shortsightedness no need to take off when looking into the distance brings new visual experience Feature 1 Double light lenses help to correct visual acuity and reduce fatigue caused by frequent changes of the viewing distances 2 Great toughness uneasy to be crushed 3 Anti radiation help to protect your eyes while reading Description Item Type Presbyopic LensMaterial AC resin Strength 1 1 5 2 2 5 3 3 5 Weight About 12gPackage Included 1 x Presbyopic Lens Note One lens for one side of eyes only please note the quantity More Details