| 摘要 |
A method of attaching front hook eyeglasses onto an eyeglasses body with safety without producing any play therebetween. The method comprises the steps of rendering a curvature of a front curve of the front hook eyeglasses larger than that of the eyeglasses body, attaching a central portion of the front hook eyeglasses onto a central portion of the eyeglasses body, and bringing both ends of the front hook eyeglasses into elastically contact with the eyeglasses body. Vertical or horizontal motion (vertical and horizontal displacement) of the front hook eyeglasses or back and forth motion of the front hook eyeglasses are controlled or restrained.
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