Differences in materials and manufacturing processes raise many unfamiliar practical issues for engineering teams changing from low volume glass lens products to high volume plastic lenses. These issues may impact a product from concept to final assembly. A number of such issues are discussed in terms of the authors' experiences.
William G. Peck,
"Issues in large-scale production of plastic lenses", Proc. SPIE 2622, Optical Engineering Midwest '95, (18 August 1995); doi: 10.1117/12.216799; https://doi.org/10.1117/12.216799