Judging from the plethora of eye-catching eyewear that's been getting face time over the last few years-be it on the European ready-to-wear runways or in the adjoining office cubicle-it's clear that glasses have gone from nerd necessity to chic accessory. It's a shift reflected in the current look-at-me trends-retro, vintage-inspired frames, chunky tortoise shells and geometric shapes that attract rather than deflect attention-and reinforced by the laundry list of fashion-focused brands with a presence in the eyewear arena. These include high-end European luxury labels like Prada, Giorgio Armani and Dolce & Gabbana as well as American contemporary brands Brooks Brothers, Tory Burch, Tiffany & Co. and Sperry Top-Sider, which aims to translate the brand's footwear DNA into a line of licensed sun glass and ophthalmic frames due to hit the market next year. While it might seem logical to blame the deteriorating eyesight of the aging baby boomer population o...