GOGGLES WHICH CAN CORRECT SIGHT, ADDITIVE LENS FOR CORRECTING SIGHT OF GOGGLES AND PRODUCTION OF BOTH

摘要

PURPOSE: To provide the additive lenses which have excellent optical characteristics and can well correct sight when surely attached to a goggle body and the visibility meeting the user's sight while the additive lenses are held attached to the goggle body. ;CONSTITUTION: The goggle body 10A of this case is of a general type and is imparted with the diopter of lenses. If the goggle body 10A is first selected by a person desirous of wearing the goggles, the design value of the additive lenses 20 is determined in accordance with the information on this goggle body 10A and the information on the user's sight. A monomer consisting essentially of a silicon resin is prepd. in accordance with the design value and thereafter, the additive lenses are produced by a cast molding method and are further cut to a prescribed shape. The resulted additive lenses 20 are attached to the rear surface Rg of the goggle body 10A complying with the design value without using an adhesive, by which the goggles meeting the user's sight are perfected.;COPYRIGHT: (C)1993,JPO&Japio