若是本身眼睛有散光而隐形是普通单光镜片，您只需按照正确方法配戴即可。
If the itself eye has astigmatism to hide is the ordinary single light lens, you only need have one's eyes tested and wear glasses according to the correct method then.
这种镜片有单光、变焦、太阳镜三种形式，使用时需要每周在镜面上喷洒一种化学溶剂，才能保持防雾表面持续有效。
The lenses are available in single vision, varifocal and sun-lens forms. They need to be sprayed with a chemical solution every week to keep the fog-repellent surface working.
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