THE Ê PATENT FOR SKI GLASSES. ANYONE WHO USED A PAIR OF SKI GLASSES HAD TO FACE THE FOGGING OF THE GLASSES ALREADY AFTER THE FIRST FEW MINUTES. THE PHYSICAL PRINCIPLE THAT CAUSES FOGGING IS BASED ON THE TEMPERATURE DIFFERENCE THAT IS CREATED BETWEEN TWO WALLS. IN THE CASE OF SKI GLASSES THE OUTER WALL IS IN CONTACT WITH THE ENVIRONMENT.FRILLED, THE INNER WALL IS IN CLOSE CONTACT WITH THE SKIN OF THE USER WHO HAS AN AVERAGE TEMPERATURE OF 36/37 DEGREES, OR HIGHER IF DETECTED DURING PHYSICAL EXERTION, AND THE MOISTURE DIFFUSED WITH SWEATING THROUGH THE PORES OF THE SKIN. THE FOGGING OF THE LENSES DECREASES THE COMFORT AND SAFETY OF THE USER WHO MAY NOT SEE OBSTACLES OR THE PRESENCE OF ICE ON THE TRACK. THERE ARE SEVERAL SOLUTIONS CURRENTLY APPLIED TO PRODUCTS ON THE MARKET: — LENSES WITH INTERMEDIATE CHAMBER. THIS SOLUTION SUCH AS THE ROOM GLASS WINDOWS OF THE APARTMENTS ALLOWS TO ATTENUATE THE DELTA TEMPERATURE