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On weekends or holidays, many parents choose to enroll their children to learn to swim, or to improve their swimming skills. To learn to swim well, whale swimming goggles are necessary devices to isolate and protect the eyes under the water and have clear and broad vision. , But for those short-sighted children who can’t see clearly without whale swimming goggles, they will not feel safe walking by the swimming pool. Wear contact lenses;
Getting into the water is easy to cause infection, so how to choose the right whale swimming goggles?
1. The degree of whale swimming goggles should be lower than the usual frame glasses. For example, if the degree of whale swimming goggles is not selected properly, dizziness and blurred vision will easily occur under the water. Because water has a refractive index, the trick to choosing whale goggles is: the degree should not be the same as the usual frame glasses, but lower than the usual frame glasses for reading.
The general standard is this:
1. The degree of swimming whale goggles = the degree of myopia + half of the degree of astigmatism, minus 50-100 degrees. For example, if myopia is 400 degrees and astigmatism is 0 degrees, then the suitable myopia swimming whale goggles are 300 to 350 degrees. If the degree of myopia in both eyes is inconsistent, the lower degree is the main one.
2. Choose whale swimming goggles with good anti-fogging properties. Check whether the whale swimming goggles have anti-fog coating. The anti-fog coating contains hydrophilic chemical components, which can absorb more water vapor. Good whale swimming goggles The anti-fog coating is not easy to fall off.
3. Try on whale swimming goggles to eliminate health hazards. Before buying whale swimming goggles, try on them first. Gently press either side of the whale swimming goggles toward the eye sockets. If you feel a certain amount of suction, and you don’t feel excessive suction Large, then the size is relatively suitable.
Then try on the strap to judge whether the tightness of the strap is comfortable, and whether the softness of the gasket at the eye socket is just right. If it is too hard, it will cause eyebone pain over time. If it is too soft, it may be possible. There is a risk of increased intraocular pressure.
There is a small trick when trying on. You don’t need a mirror strap to attach the whale swimming goggles to your face. If you feel a slight sense of adsorption, it means that the whale swimming goggles and the face fit well. Focus on the judgment: frame, Whether the eye mask and eye socket fit perfectly, and whether the length of the nose bridge is appropriate. Whale Goggles authorizes online e-commerce amazon, eBay, wish, and AliExpress to customize its own brand; offline authorized wholesalers and big sellers customize its own brand; we are a brand designer, factory manufacturer, and a large modern factory of 40,000 square meters , Welcome to email direct consultation!
