| 摘要 |
Eyeglasses of the type which permit interchanging of lenses are disclosed which employ a support frame having a plurality of support prongs thereon adapted to receive a pair of lenses in supporting relation on the frame, and including a retaining clip pivotally mounted on the frame and movable between a first position which permits easy mounting of lenses on and removal from the support frame, and a second position wherein the retaining clip retains the lenses in mounted relation on the support frame so as to prevent their removal.
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