Though the rimless frame is fragile, there still has some way to clean it. You need to care it and does it gentle, it would be washed by clean water. It's simple to clean the glasses, washing it with clean water after wearing. Then softly wipe the water which remain in the glasses, put it in a ventilated place to blow dry. If thereâ€™s some oil stain attached in the lenses, apply a little drop of liquid soap and use water to wash after it, which will be ok to get rid of it. But please pay attention that the dry cloth can not use to rub the surface of lenses as well as the frame to prevent from scratch and the increasing of blur area. Make sure the glasses are put in the shade and cool place other than under the blazing sun for quite a long time for the sake of deformation possibility. The resin lenses of sunglasses are not so durable, so the method of water washing is better than cloth rubbing. Thus the lenses would be clean and the scratching will be effectively avoided.