KillerLag 3 points 1y ago
It would probably depend on the size. If the scanning device is the size of a phone, less people will use it.
Probably the most common device used that is similar to the description of your device is the Orcam.
https://cdn.shopify.com/s/files/1/1830/1247/products/orcam153_1200x1200.jpg?v=1614191145
It can clip to the side of the glasses so it does not obstruct remaining vision, and it's close to the ear so the speaker can play without being very loud.