Patent ID: 7198365

Claim:
A spectacle accessory comprising: a pair of lenses; engagement means secured with said pair of lenses and swivellably movable relative thereto; a tube member with an interior surface; a wire member at least partly received within said tube member; wherein either said tube member is fixedly engaged with said lenses and said wire member is fixedly engaged with said engagement means, or said tube member is fixedly engaged with said engagement means and said wire member is fixedly engaged with said lenses; wherein said wire member includes at least one protrusion, and said wire member is swivellably movable relative to said tube member between a stable first position in which said protrusion is clear of said interior surface of said tube member and a second position in which said protrusion abuts said interior surface of said tube member; and wherein said tube member includes an opening through a cylindrical surface thereof through which said protrusion of said wire member extends when said wire member is in said stable position.