plural bent lens members respectively having front and rear faces, which are concave or convex, and being disposed in parallel, the front faces facing away from a wearer's face and the rear faces facing the wearer's face;

a peripheral sealing between and along entire circumferential edges and/or their surroundings of respective adjacent lens members to form a room between the lens members;

an inorganic film being applied on at least one of faces defining the room; and

wherein the inorganic film is applied at least on one of the convex faces and is selected from a metal film, a metal oxide film containing silicon and a metal nitride film containing silicon, wherein

the plural lens members are an outer lens positioned away from a wearer's face and an inner lens positioned near the wearer's face,

the peripheral sealing is provided between and along the entire circumferential edges and/or their surroundings of the outer and inner lenses to form the room therebetween, and

the inorganic film is provided at least on a front face of the inner lens.