An elongate arm 12 mounted on one arm 9 of a pair of spectacles has a pair of fans 15, 16 located at its distal end to be positioned adjacent to the wearer’s nostrils. A DC cell battery 13 and an on/off switch 14 are located in the arm of the spectacles. The spectacles have a glass lens 3 on a lens rest 8, inserted between clear plastic lenses 2, 7, and held in place by an adjustable pin 1 and an adjustable spring 4. The frame of the spectacles has a hinge 6.
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