Specification:Progressive multifocal glasses is for people who can see far objects clearly,but have problem with seeing near and middle( especially when reading )The diopter you choose is on the lens's bottom , the middle is foprogressive , the top is 0 + Usually it takes a week to get used to wearing it . If you feel dizzyyou should walk slowlySince the two sides of the lens are astigmatic distorted areas , it isnecessary to turn the neck and the eyeball at the sametime tosee both sidesWhen going downstairs , the glasses should be taken as low aspossible to use the top area to seeNote : If you have both hyperopia and myopia , please goto a professional hospital to make glasses , our glasses are not applicable .Features:* Practical and durable . enhance visual acuity.* PC frame and scratch resistance.* Built-in Ultra bright LED lights act as mini torch . improve vision in the dark.* Acts as an ordinary pair of reading glasses when the torch is not switched on.Package Included: 1* Reading glasses