An eyewear device includes a frame having two elongate extensions rotatably attached to the frame and movable between a deployed position and a stored position. The frame has two lens receiving portions with multiple lens units insertable in the lens receiving portion some through the front surface and...http://www.google.es/patents/US7004580?utm_source=gb-gplus-sharePatente US7004580 - Adjustable and reconfigurable eyeglasses
