滑雪镜真的必须带吗？如何选择适合自己的滑雪镜？

本文目录：

• 1、滑雪镜有什么作用，如何挑选合适的滑雪镜？
• 2、雪镜的功能
• 3、滑雪的时候一定要佩戴雪镜吗？

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滑雪镜有什么作用，如何挑选合适的滑雪镜？

引言:滑雪镜有什么作用?滑雪镜顾名思义,就是在滑雪的时候保护眼睛不受伤。由于雪地上阳光反射很厉害，加上滑行中冷风对眼睛的刺激很大，所以需要滑雪镜来保护滑雪者的眼睛。滑雪镜的主要作用就是防止冷风对眼睛的伤害，预防紫外线对眼睛的灼伤，在滑雪的过程中保证镜面不起雾气。镜框镜片使用柔软特殊的材料，不容易发生变形。发生意外跌倒后眼镜即使碎裂，也不会对脸部造成伤害。

一、如何挑选合适的滑雪镜？

挑选滑雪镜时要考虑自己的脸型，鼻梁高度，颧骨大小等，这样滑雪镜戴上后会更加舒适。有条件的话建议试戴一下，如果觉得眼镜全部贴在眼睛周围，感觉非常舒适，可以购买，如果觉得戴着不舒服，那就说明眼镜有不适合自己的地方。试一下柔韧性，双手握滑雪镜的两端，各方向施加一定外力，观察变形有没有裂纹，去掉外力是不是能迅速恢复原状。挑选时要看镜面好的镜面没有划痕平整，对着镜面内外两层哈气，如果有水珠凝结在镜片上面不要买。滑雪镜带上去以后，里面的空间越大防起雾的效果越好，同时也方便一些，视力不好需要佩戴眼镜的人群。建议选择选择中国以及亚洲国家生产的雪镜，欧美的品牌主要面向西方的消费者，西方人的脸型和中国人的脸型不一样，戴上去以后舒适度不高。

二、滑雪镜的保养方法

滑雪镜在使用时需要注意保持镜面干净，同时不要与尖锐或者是粗糙的物品接触，以免刮花镜面。在使用完以后，要用柔软的棉布将滑雪镜的外径擦拭干净，但尽量不要擦拭内镜清理干净之后将滑雪镜存放在镜盒之中，然后放置于阴凉干燥处即可。

雪镜的功能

雪镜的功能：
1.保护眼睛和面部不会因外力的撞击而受伤。
2.有效遮挡紫外线和反射强光对眼睛的刺激造成的雪盲。
3.部分中高档雪镜能提高雪道和景物的对比度，提高视觉分辨能力。
4.挡风，保护脸部皮肤。
高质量的雪镜，应该具备这些能力：
1.极强的抗冲击能力，确保在任何强重力撞击下也不会碎裂变形。滑雪的时候如果高速摔倒，那么雪镜遭受的冲击力是非常非常大的。整个脸部和眼睛就全靠这副雪镜了。挑选雪镜的时候，可以轻轻的捏一捏雪镜的镜框，按一按镜片，甚至可以拧一拧雪镜的镜架，看看韧性好不好。如果按上去很硬，形状没有什么变化，柔韧度明显很差，那么建议不要购买。这类雪镜质量比较差，在寒冬遭受撞击的时候很容易碎裂变形，严重的就会扎伤你的眼睛和面部。
双层雪镜要比单层雪镜更加耐冲击，而双层球面镜片的雪镜则是最耐冲击的产品了。高档雪镜的柔韧度都非常好，甚至可以让镜片对折，一松手又恢复原形，而不会有任何的碎裂或折断现象。
2.必须100%过滤紫外线和强光。艳阳高照的时候，雪道上反射的光线非常刺眼，不戴雪镜根本看不清雪道上的东西。雪镜必须能100%过滤有害光线和紫外线，才能保证你滑雪时候不会刺激眼睛。一款合格的雪镜，应该是在太阳当头照的时候，你戴着它抬头直视太阳而不会感到不舒服，这就是合格的雪镜了。
3.不能出现明显的视觉误差。雪镜有柱面镜和球面镜两种。柱面镜通常都会造成一定程度的视觉扭曲和误差，容易让你错误判断物体的位置造成伤害。所以挑选柱面镜的朋友要小心，戴上之后看看周围东西有没有变形或者位置变化。球面镜在这方面就比较好了，因为人眼也是圆的，球面镜更加符合人眼的视觉要求。无论柱面还是球面，都必须自己试一下，看有没有变形。
4.戴起来必须贴合自己的脸形。不是所有的雪镜都适合你，不同品牌不同款式的雪镜，适应的人脸也不同。你戴上雪镜之后，应该保证脸的每个部分都能和雪镜的边框有良好的接触，没有不舒服的感觉，没有大的缝隙。鼻子的部分也必须舒服，如果位置不合适就不能买这款雪镜。
5.通风除雾效果要很强。滑雪的时候脸会排出热量，所以镜片的除雾效果必须超强！无论在什么情况下都不允许镜片有雾，否则非常危险。可以自己试试雪镜的防雾能力，无论你用水蒸气，还是用嘴去哈气，镜片都不应该有雾产生。合格的雪镜都有良好的通风设计，高速滑行的时候你甚至能感觉到雪镜内部有一小股微弱的气流在流动。这个气流就能保证你的镜片没有雾了，当然镜片自身的防雾性能也很重要。

滑雪的时候一定要佩戴雪镜吗？

其他雪地环境下的户外运动同样需要滑雪镜。人的眼睛又是身体最柔弱的器官。滑雪所在的雪地环境容易造成雪盲，高速运动途中摔倒时也容易伤到眼镜，所以一幅好的滑雪眼镜应具备以下功能：1防止冷风对眼睛的伤害，使用温度应达到零下30度，镜框镜片不脆裂。

2 优质的镜面涂层防止紫外线对眼睛的灼伤，有效过滤对眼镜有害的光线。同时保持亮度和视野的开阔。3空气流通设计以及防雾材料保证镜面不起雾气，眼镜应符合人体工程学，不摇不晃。镜带弹性好适宜的长度宽度.4镜框镜片使用柔软特殊的材料，常用的是聚碳酸脂(一种特殊塑料)。眼镜在外力作用下只发生变形，卸去外力应迅速恢复原状。5发生意外跌倒后，眼镜即使碎裂也不应对脸部造成伤害。在一些地区都有抗冲压力的标准。6带眼镜的玩家建议选择可佩带眼镜的滑雪镜。如果佩带隐型眼镜滑雪，注意一定要保持眼球的湿润，避免视疲劳。

滑雪镜的一些专业词汇

球面和柱面：是区分眼镜镜片的一对术语，非常好理解，球面镜镜片是呈球型凸出的，柱面则是柱型凸出。球面镜的设计原理来自于鱼眼，可以保证更宽阔的视野，同时阻挡各个方向的外来有害光线。

双层和单层：区分镜片的又一术语，光学原理使得双层镜片的防紫外线效果比单层的要好。

涂层：滑雪镜的涂层都在凹面的内层，保证使用时不容易划到涂层。涂层作用就是阻挡有害光线和防雾。

佩带头盔：滑雪镜常和头盔配合使用，比如拿AXE的AX980-WCM和AX460-WD进行比较，前者将镜带的接口设计成活动的，这样在佩带头盔的时候可以调整角度和位置。(接口设计成固定的也是可以佩带头盔使用的，仅是不大舒服而已。)