Spring hinges enable a comfortable and secure fit.50 Men's Round Reading Glasses in Tortoise by Foster Grant - Caiden Pop of Power® Bifocal Style Readers - +2. The lenses also help filter blue-violet light* from the sun and artificial sources, including digital devices.
The lenses also help filter blue-violet light* from the sun and artificial sources, including digital devices. Caiden Bifocal Style** reading glasses have a soft square frame of milky brown tortoise with decorative metal rivets on the outer corners. - Men's Round Reading Glasses in Tortoise by Foster Grant - Caiden Pop of Power® Bifocal Style Readers - +2.