| 摘要 |
Disclosed is a spectacles device comprising four sliding lenses 1, 2, 3, 4, to enable a user to change lenses swiftly at the front of the visual position. A first left lens 1 is positioned in front of a second left lens 3; a first right lens 2 is positioned in front of a second right lens 4; each lens comprises a slider 9, 7, 8, 6 respectively; lenses 1 and 3 are connected by a first cord 11 and lenses 2 and 4 are connected by a second cord 12; sliding occurs when the slider pairs 6 and 7 or 8 and 9 are moved in opposite directions. |
