A valve device for a variable lens comprises: an inlet for receiving fluid from a reservoir; an outlet for passing fluid to a lens cavity; and a valve member, the valve member comprising a passageway for fluid communication between the inlet and outlet and a valve for closing the passageway; wherein the valve is act...
[Class : 9] Optical Goods, Apparatus And Instruments; Eyewear; Prescription Eyewear; Adjustable Optical Power Eyewear; Eyeglasses; Prescription Eyeglasses; Adjustable Optical Power Eyeglasses; Eyeglass Frames; Eyeglass Lenses; Corrective Lenses; Adjustable Optical Power Lenses; Protective Eyewear; Eyeglasses Adapted To Protect The Eyes; Eyeglasses Having Filtering Lenses; Ey...
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