| abstract |
The invention provides a cost-effective method for making a silicone hydrogel contact lens by casting a lens from a material which comprises a non-crosslinkable hydrophilic polymer, applying an LbL coating comprising at least one layer of a polyionic material wherein the non-crosslinkable hydrophilic polymer promotes entanglement of the non-crosslinkable hydrophilic polymer with the coating materials so as to obtain a silicone hydrogel contact lens which has a wettable surface coating with a good coating durability. |