Spring hinges make these glasses comfortable to wear for just a few minutes or all day. - Men's Square Reading Glasses in Black by Foster Grant - Tristan Pop of Power® Bifocal Style Readers - +2. These reading glasses have a versatile square frame made of shiny black over crystal clear polycarbonate.
Get just the pop of magnification you need to read with Pop of Power® Bifocal** Style reading glasses. - Men's Square Reading Glasses in Black by Foster Grant - Tristan Pop of Power® Bifocal Style Readers - +2.Each lens features a magnified reader segment at the bottom; the rest of the lens is unmagnified. Spring hinges make these glasses comfortable to wear for just a few minutes or all day.