| 摘要 |
PROBLEM TO BE SOLVED: To prevent the slip of spectacles as the balance of weights before and after the ears as centers may be obtained by mounting auxiliary implements to the spectacles. SOLUTION: The auxiliary implements of a U shape having roundness to the extent of not coming into contact with the head and the hair are formed of metals or plastics. When these auxiliary implements are mounted at the temples of the spectacles in such a manner that the weights of these implements before and after the spectacle part with the ears as the centers are balanced, the slip of the spectacles may be prevented.
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