1. Go big with SPY OPTIC's aviator-style SILVER SHADOW frames, which hug the contours of the face to cover the eyes from any angle. $145; www.spyoptic.com

2. The LITTLE ITALY, from QUIKSILVER, features shatterproof lenses and 100 percent UV protection, all for the price of a cheap date. $70; www.quiksilver.com

3. Oversize lenses on PRADA's AVIATOR block any refracted glare, whether it's from a blinding-white beach or pesky paparazzi. $275; www.luxottica.com

4. Since the sun in Panama is more intense than it is in Alaska, KAENON POLARIZED offers the BEACON in a variety of polarized tints to match the shades to your surroundings. $170; www.kaenon.com

5. The stellar UVA, UVB, and UVC protection on OAKLEY's boldly styled OIL DRUM is sweet. Sweeter still, you can spec 'em out with your own prescription. From $170; www.oakley.com

6. SMITH OPTICS' SERPICO uses medium-size wraparound lenses milled to eliminate distortion, giving you full coverage against UV rays and blurry vision in Pacino-worthy frames. $80; www.smithoptics.com

7. SPECIALIZED uses high-quality photochromic lenses in its SWINGARM frames; they automatically darken on the trail, then lighten up in the club. $140; www.specialized.com

8. The polarized lenses in BOLLÉ's PHARMIUM gunmetal frames neutralize sunlight reflected off lakes, rivers, oceans, and the glass canyons of the city. $140; www.bolle.com