We tested polarized sunglasses to find the best picks for men and women in 2025. Our recommendations come from Oakley, Ray-Ban, Warby Parker, and more.

Whether you have contacts or glasses, we've found retailers with the best prescription sunglasses, including polarized sunglasses and sunnies that have transition lenses.

From single vision to transition lenses, these online stores can help you upgrade your old frames for less.

Struggling to see things up close is common, but these reading glasses can help you.

Bifocal lenses are usually prescribed for presbyopia, or age-related farsightedness. Bifocals separate your distance prescription from your reading prescription with a distinct horizontal line.

In this research, a circularly polarized antenna employing fractal slot geometry is proposed for UHF-RFID handset reader application. The proposed antenna consists of vicsekcross-shaped slot etched at ...

A dual-band 0.92/2.45 GHz circularly-polarized (CP) unidirectional antenna using the wideband dual-feed network, two orthogonally positioned asymmetric H-shape slots, and two stacked concentric ...