I-resin iyinto yamakhemikhali enesakhiwo se-phenolic. I-resin lens isisindo esincane, ukumelana nokushisa okuphezulu, ukumelana nomthelela akulula ukuphuka, ephukile futhi ayinakho imiphetho namakhona, iphephile, ingavimbela ngokuphumelelayo imisebe ye-ultraviolet, i-resin lens nayo iwuhlobo oluthandayo lwezibuko zamehlo kubantu be-myopia okwamanje.