| 摘要 |
A light shield is provided which includes a relatively thin but preferably rigid body of light permeable material. An arrangement is interposed between the body of light permeable material and one side of the lens to mount the shield directly on the lens in light intercepting relationship relative to the eye of a user of the lens. The shield which is preferably mounted in generally cantilever manner on the lens is removable and can be reinstalled repeatedly. Preferably an adhesive is used which provides for a minimum of residue on the lens and the shield is preferably affixed to the lens in such a way that there is a minimum of optical interference. The shield can be such as to strip out ultraviolet rays, infrared light or otherwise modulate the light transmitted therethrough. The shield may also be of a form which provides prescription corrections of an optical type. The connecting structure interposed between the body of light permeable material and the ocular lens may take the form of a strip which is rectilinear, arcuate or the like in shape or may alternatively be constructed in the form of pads or islands arranged peripherally relative to the surfaces of the lens and the shield. Permanent posts can also be used.
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