Folding hanging glasses without temples, provided with means for attaching them to a cord or chain, as well as a central hinge by which they can be folded into two parts, characterized by the fact that said hinge is embedded in the frame itself.
Folding hanging glasses without temples, provided with means for attaching them to a cord or chain, as well as a central hinge by which they can be folded into two parts, characterized by the fact that said hinge is embedded in the frame itself.