Lighter, etc.: Plastic lenses are a comfort especially in high power needs for eyeglasses as they are lighter in weight for a given power. They are, however, less durable and can scratch in normal use. These factors can be eweighted in the udee
Answered 12/30/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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