<prompt> Soft contact lenses are made from which one of the following materials?Poly ethyl methaacrylateHydroxy ethyl methacrylateSiliconGlass  <response>: Hydroxy ethyl methaacrylate is a soft, flexible, water-absorbing, plastic used to make soft contact lenses. It is a polymer of 2-hydroxyethyl methacrylate HEMA, a clear liquid component. Hard contact lenses are made from polymethyl methacrylate PMMA and Silicon. 