For some people, fogged lenses are an occasional annoyance. For others, the problem poses a serious safety risk. The difference between an annoyance and a safety risk depends on the circumstances. Fogged lenses disrupt your vision. If it happens while riding a motorcycle or bicycle, there’s no quick way of clearing it without taking your glasses off. Accidents can happen fast when riding on the road, and your safety and that of others depend on your clear vision.
Other hazardous circumstances include operating a dangerous hand tool, operating a bulldozer, or walking down a long flight of stairs. Even when lens fogging isn’t a safety issue, there’s no reason for allowing it to become an inconvenience when you can do something about it.
While there are many tricks and hacks for coping with this problem, the simplest solution is getting an anti-fog lens coating when ordering Nike prescription glasses or sunglasses from Rx-Safety. The coating prevents moisture on the lens from beading up into visible droplets. If you’re between purchases of lenses or eyewear, there are a number of tricks and hacks you can use in the meantime. However, let’s first understand why your lenses fog.
The air is like a sponge in that it can “absorb” moisture through evaporation. When liquid water evaporates, it turns into water vapor, an invisible gas. When you lower the air temperature below its dew point, the water vapor turns into small droplets. These can float in the air as fog or clouds, or can stick to the lenses of your glasses and fog them up. The warmer the air, the more moisture it can hold. If you cool the air down too much, it releases water, much like squeezing water out of a sponge.
This can happen in a number of ways. For example, when a scarf, balaclava, or ski mask covers your nose and mouth, your exhaled breath can channel up to your glasses. The warm moist air contacts the cold lenses of your glasses and they’re instantly fogged. Pull the face covering below the nose. If you want to keep your nose warm and there’s an opening for your mouth, train yourself to only breathe out through your mouth.
This problem also occurs when using many types of dust masks. Dust mask usage often means you’re engaged in an activity that may cause an injury, such as using a power tool. Avoid fogged glasses and injury by getting dust masks with a foam seal at the top. Alternatively, you can make your own seal by cutting the top rim off the mask and taping it directly to your face, using first-aid tape.
When skiing or snowmobiling, you need goggles to keep out the cold dry air. If you’re wearing glasses underneath the goggles, the glasses frequently fog up when physical exertion makes your skin moist. Your glasses get foggy because they’re closest to your skin. While there are goggles with a little fan that keeps the air dry, a simpler and more reliable solution is getting prescription goggles with an anti-fog lens coating.
A fog buster anti-fog cleaning towelette will stop your lenses from fogging for several hours. These are available online and at sporting goods stores. You can also use common home items such as liquid dish soap. Apply a couple of drops with a clean cloth to the inside of your lenses. Allow the soap to dry, and then wipe it clean with a cloth. You can also do the same thing with a dab of shaving cream. Fog inhibitors are temporary, so remember to reapply them before engaging in an activity that causes fogging.
If you’re having fog problems or anticipate them in the future, an anti-fog coating to your Nike prescription glasses, sunglasses, or goggles is a low-cost and permanent solution. In fact, an anti-fog coating will cost less than many large packs of fog buster anti fog cleaning towelettes. For more information and answers to your questions, feel free to contact us.
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