| 摘要 |
PROBLEM TO BE SOLVED: To provide a front hanging lens which may be surely mounted at rimless spectacles in a stable state without shaking, is made lightweight by forming the lens of a simpler structure and may be easily manufactured. SOLUTION: The front hanging lens to be mounted at a spectacle body fixed with the lenses at a bridge 2 or bracket 1 apart a specified spacing via washers W by set screws is provided with mounting notched parts 31 for detaining the lens to the washers W at both ends of the front hanging lens. The mounting notched parts 31 have projecting parts 32 for detaining to the washers W.
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