What is NV-ADD?

Near Vision-Reading ADDition

It's named Addition in some eye prescription

NV-ADD = ADD

On the Rx, NV-ADD (for Near Vision-Reading ADDition), which could be used to order a pair of bifocal or progressive glasses with a close-up vision section in the bottom part of the lens.

Magnifying power that is added to the distance prescription in the lower half of multifocal lenses.

The SPH, CYL, and NV-ADD numbers will always have a plus or minus sign.

Nv-add in an eye prescription

Generally, it will range from 0.75 to 3.00 D and will be the same number for both eyes.

On our website, when you choose a bifocal or progressive glasses lens, you will fill the rx like this