Description
About this item:
- Scheduling: adjustable focal length, a pair of glasses can be used in different scenes.
- Relieve eye fatigue: It helps prevent eye fatigue. Adjustable reading glasses also use dual-lens technology to improve the vision in the near, middle and long distances.
- Adjustable glasses, each lens contains 2 movable parts. When the two parts are separated, the optical power of each lens will change.
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