| abstract |
(57) Abstract: A mold removal process, for example in a method of manufacturing a contact lens, will be facilitated, thus minimizing the risk of damage to the contact lens during mold removal and also holes in the lens. Is to find new formulations for molds that will reduce the risk of. A composition (formulation) comprising polystyrene with at least 0.1% (w / w) of a particular internal additive is provided. Articles of manufacture made therefrom, such as molds for making contact lenses and mold assemblies comprising such molds, and easy removal of molded articles from the two mold assemblies in a method of making contact lenses The use of such a mold for working is also provided. |