Doctor insights on:
How Does An Eyeglass Lens Differ From A Magnifying Glass Lens
Very different: Eyeglass lenses can either magnify, minify (make images smaller) or correct astigmatism. Magnifying glasses are used in readers and prescription lenses for farsighted and presbyopic people, while minifying lenses are used for those with nearsightedness. Also, there can be magnification or minification with astigmatism correction at the same time. Glasses are built specifically for your vision. ...Read moreSee 1 more doctor answer
Heard that glass lenses for eyeglasses are somehow superior to plastic or composite lenses. Any truth to this?
Optical : Some scratches in plastic lenses can be buffed lightly to cover them up. Glass lenses fortunately don't have scratches as commonly but are not as treatable when they do. Go to your optical department and show them your spectacles and ask if they are able to help you. ...Read moreSee 1 more doctor answer
See below: Differences between glass & plastic lenses: weight (glass much heavier); durability (plastic scratches more easily); price (glass generally more, depending on prescription, coatings, etc.). ...Read more
Plastic: Plastic is lighter and provides equivalent visual quality. ...Read more
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