ViFlex has designed a pair of low-cost eyeglasses that are assembled and customized for the user at the point of sale. They use pre-manufactured lenses that can fix both near and distance vision problems. Here’s how they work:
First, the user tries different lenses and chooses the ones that work best for them. Next, the lenses are inserted into the frames, and the arm pieces are attached. And as simple as that, the glasses are ready for use.