Need to find long-term anti-fogging, no matter how good the lens, the best anti-fogging agent may not be as effective as the same thing, and it is free, environmentally friendly and extremely convenient. That is-saliva, saliva, eggs, and licking of swimming goggles are mostly caused by professional players because they have too much training. Under the non-human training intensity and use intensity of professional athletes, a new pair of swimming goggles was quickly used and no longer anti-fog.
So they lick the goggles to remove the fog on the lenses quickly. It’s not that they can’t afford to buy new anti-fog glasses, but people will develop the habit of using them when using items. During the competition, most players choose the swimming goggles that they usually wear during training. This principle is the same as some football players wear old shoes to play, long-distance runners will not wear new shoes to run a marathon.
Why does swimming goggles fog up?
Whale goggles believe that the fog of general swimming goggles is the endoscope, that is, the side facing inward and directly facing the eyes. Because the inside of the lens is close to the skin, the temperature is high, and there is a temperature difference between the inside and outside of the lens, and the sweat of the skin evaporates during exercise, forming a lot of small water droplets and condensation.
Generally, the endoscopes of swimming goggles have anti-fog treatment, but they have the same life span as rainproof coatings such as jackets. As the number of times of use increases, the effect of the anti-fog coating will decrease quickly. This will hinder the swimmer's line of sight.
Why can licking swimming goggles prevent fogging?
The essence of the fogging of swimming goggles is that a small drop of water on the mirror surface causes light scattering, and there is no way to prevent the moisture from condensing and forming fog, so what we can do is to turn these small water droplets into a uniform water film. Will block the line of sight.
Licking the swimming goggles gives the endoscope a thin liquid film, so water vapor cannot be attached in the form of small water droplets. The tongue is softer, and it can also avoid scratching the goggles. Individual swimmers also lick the outside mirror of the swimming goggles. This may just be a habit, because the outside mirror does not fog up.
Under normal circumstances, the saliva application method can keep the lens transparent for about half an hour. In fact, many people can't accept the licking of swimming goggles. You can also buy an anti-fogging agent and apply it on the inner lens. This will act as an anti-fog like licking saliva.