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frames ![click to hear : frames click to hear : frames](../../../images/speaker-vert.gif)
Mounting that supports the lenses and holds them in place in front of the eyes.
reading ![click to hear : reading click to hear : reading](../../../images/speaker-vert.gif)
Lower part of a bifocal lens that corrects farsightedness.
rim ![click to hear : rim click to hear : rim](../../../images/speaker-vert.gif)
Part of the frames that surrounds and supports the lens.
distance ![click to hear : distance click to hear : distance](../../../images/speaker-vert.gif)
Upper part of a bifocal lens that corrects nearsightedness.
bifocal lens ![click to hear : bifocal lens click to hear : bifocal lens](../../../images/speaker-vert.gif)
Glasses with two parts: one to correct farsightedness and the other for nearsightedness.