Lenses to convert those of haibitual use in others of defense against the sun. (Machine-translation by Google Translate, not legally binding)

摘要

The ownership and exclusive exploitation of a system adaptable to the usual lenses to turn them into lenses of defense against the sun and the light that in essence consists in arranging disks or plates independent of transparent material but of color and of appropriate form and size provided with a fastening system to adapt them and fix them each on each clear glass of the usual lenses or glasses. (Machine-translation by Google Translate, not legally binding)