To obtain spectacles to be exclusively used for a full-face mask commonly usable for the full-face masks of a mononocular type and binocular type by using spectacle lenses which can be conditioned by an ordinary myopia prescription not accompanied by special correction.

The spectacles consist of a pair of the lenses 2 which are respectively held at lens frames 1, a bridge 3 which connects the lens frames to each other, fronts 5 which reinforce the mechanical strength of the bridge, tenons 7 which extend from the lens frames to both sides and pins 9 which are disposed at the ends of the tenons 7 respectively via supporting bands 8 and are retained near to both ends of the eye glasses within the full-face mask face body. The bridge 3 has a hinge 4 at its central part and the fronts 5 are bisected in the central part and are connected by a front connecting member 6 having flexibility. The spectacles to be exclusively used for the full-face mask are two-foldable in the bridge and front parts.