Most of us choose sunglasses based on how good they make us look, but when it comes to driving, sunglasses serve a very utilitarian purpose. Wearing the wrong pair can actually become a safety issue. Therefore, the experts at Online-Drivers-Licenses.org recommend taking the time to find sunglasses that meet all the standards outlined below.
Vision is the main factor to keep in mind when choosing a style of sunglasses. Peripheral vision refers to what you see to the top, bottom, left and right of your view when looking straight ahead. A good pair of sunglasses will have lenses wide and tall enough to protect your eyes from sunlight throughout the range of your view. Thick frames can cause blind spots in your periphery, so the Online-Drivers-Licenses.org team suggests getting aviator-type sunglasses that have thin rims and arms. Oversized sunglasses fade in and out of style, but it’s important to choose a design that shields your entire vision area from harsh sun rays – even if that means going a little larger than style dictates.
Some colors do a better job than others at filtering bright sunlight. Four of the most popular lens colors for sunglasses include:
- Gray – Gray lenses maintain true color perception while cutting down on the glare from water or noonday sunlight. Gray also reduces the eye fatigue common while driving long distances.
- Brown/Amber – This classic color range allows for good depth perception while driving and offers clarity in mixed weather conditions, such as the sunshine/shower combination common on summer afternoons.
- Rose – There are advantages to seeing life through rose-colored lenses, especially when driving. Like amber, rose provides good depth perception as well as excellent visual contrast on cloudy and sunny days. The Online-Drivers-Licenses.org experts suggest making sure that any rose-colored lenses are specifically labeled for driving purposes, as a weak rose color won’t offer enough sun protection.
- Yellow – Yellow lenses offer the unique feature of helping drivers see better even at night. Because they enhance definition and contrast so well, they are an ideal color to improve vision at times of low lighting, such as sunrise and dusk.
Although the sunglasses at discount stores probably won’t be labeled with a tint factor, the level of tint is usually measured on a scale of zero to four. Zero represents a totally clear lens while a number four lens is extremely dark. Higher-end sunglasses and those ordered through an ophthalmologist will usually show a tint density scale. The experts at Online-Drivers-Licenses.org recommend aiming for a two or three to achieve optimal vision behind the wheel.
Polarizing and Coatings
Polarized sunglasses are made to reduce glare dramatically compared to non-polarized lenses. This can make a real difference when driving on wet or snowy roads. Other coating options include anti-scratch protection, which helps keep your lenses free from vision-marring damage. Also, anti-reflective coating, or mirrored coating, improves visibility by “bouncing off” excess light. Furthermore, anti-fog coating keeps lenses clear on humid days, or when transitioning between warm and cold temperatures.
Sunglasses should rest comfortably atop the bridge of your nose, fitting snugly along the ears without pinching or rubbing. Eyelashes and cheekbones shouldn’t contact the frame or lenses. Some styles come with adjustable pads on the nosepiece that can be pinched or spread apart for a customized fit.