Transparent polymeric materials for eyeglass lenses, Chemical Engineering

a) List various advantages and drawbacks of using transparent polymeric materials for eyeglass lenses.  (b) Cite 4 properties (in addition to being transparent) that are important for this application. (c) Note 3 polymers that may be candidates for eyeglass lenses, and then tabulate values of the properties noted in part (b) for these 3 materials.

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