Nose rest is a component that supports the spectacle frame on the bridge of the nose, that is to say, the component that supports the bridge of the nose to keep the spectacle frame in a constant position in front of eyes is called nose rest. There are two kinds of nose pads, one is fixed, that is, non-metallic adhesive, and the other is movable. The latter nose pad is applied to metal frames, and now it is also available on some high-end flat glasses. The movable blade is fixed by welding the stem.

How to choose a suitable pair of glasses;

1, look at the weight. If you want to match a pair of comfortable frames, lightness is the first rule. The smaller the frame, the less parts of the lens need to be kept, and the lighter the glasses are. If the degree is high, you can choose a smaller frame to reduce the weight of the glasses.

2, look at the nose pad. Nose rest is the key to the instability of glasses frame, but it is also the most easily overlooked place. There are three types of nasal supports: fixed, movable and nose-free. When trying on, the glasses frame has no lenses and is light in weight. You can gently press the upper edges of the left and right lenses with your hands. If the glasses slide down easily, the nose pad doesn't fit.

Cleaning and maintenance methods of glass:

1, ultrasonic cleaning, vibration to remove the dirt inside, the general optical shop has this service, basically free.

2. The lens groove of Quan Huafu spectacle frame is dirty. You can unscrew the screw yourself, take off the lens and clean it with a paper towel.

3. If the screw is loose, please take it to the optical shop and tighten it in time, otherwise the lens will easily fall to the ground and break. Don't handle it at will.

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