<ul><li>THE PILLAR READING SUNGLASSES: The Pillar Reading Sunglasses have a studious, round frame available in a variety of patterns. The fully magnified sun lenses are helpful for all of your outdoor reading needs.</li><li>PLASTIC FRAME: This round frame features spring hinges for a comfortable fit</li><li>ACRYLIC LENSES: These fully magnified lenses have lightweight, plastic lenses</li><li>MEASUREMENTS: Narrow fit with 125mm frame width, 37mm lens height, and 135mm temple length</li><li>LENS MAGNIFICATION STRENGTH: Available in +1.0, +1.25, +1.5, +1.75, +2.0, +2.25, +2.5, and +2.75</li></ul><br><br>Description<br><br>The Polk Bifocal offers a semi-rimless browline frame with adjustable nose pads for a comfortable fit. This style features bifocal style lenses. Disclaimer: All references to "bifocals" herein refer to readers having unmagnified lenses containing a "bifocal style" single powered reading glass insert located on the lower portion of the lenses.

Readers.com Reading Glasses: The Polk Bifocal rectangle Style for Men and Women