What are Normal, Bifocal, progressive multifocal lenses?
1:Normal lenses

Ordinary lens means that the whole lens has only one diopter

2:Bifocal lenses

The Bifocal lenses means that the lens has two diopters, one at the top (see far) and the other at the bottom (see near), and the diopter of the top (far) is 0.

3:Progressive multifocus lenses

Progressive multifocal lens means that the diopter from the bottom(see near) to the top(see far) of the lens is gradually increased, and the diopter at the top(see far) of the lens is 0.

Since this is a special finished progressive multifocal lens, it usually takes 2 to 3 days to adapt to the progressive multifocal lens.
Usually the first time you wear progressive multifocal lenses, there will be dizziness, so this is normal.
The lenses of these glasses are finished progressive multifocal lenses. The degree you buy is the degree at the bottom of the lens (look closer) and the degree at the top (look far) is 0. The PD (pupillary distance) value is 62±2mm.
Before you buy this progressive multifocal glasses, we hope you can carefully check whether your eye prescription matches the diopter of your glasses.
Some people can adapt to such finished progressive multifocal glasses. If you feel any discomfort, We hope you can contact us before writing a bad review, because this is really hard for us as a new seller.we will solve your problem for you until you are satisfied! Thank you for your understanding!

Anti blue light test

Photochromic text

Progressive

Bifocal

Normal

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