| 释义 |
DictionarySeeglassestrifocal glasses
glasses [glas´ez] lenses" >lenses arranged in a frame holding them in the proper position in front of the eyes, as an aid to vision" >vision. Called also eyeglasses and spectacles.bifocal glasses glasses with lenses" >bifocal lenses; see also bifocal glasses" >bifocal glasses.trifocal glasses glasses with lenses" >trifocal lenses.trifocal glassesGlasses with three different corrections in each lens: one each for near, intermediate, and far vision. See also: glasses |