A method for modifying the surface of a material adapted for contact with tissue of a human or non-human animal to impart biofunctional, bioactive or biomimetic properties to the surface comprising:...http://www.google.fr/patents/US6387379?utm_source=gb-gplus-shareBrevet US6387379 - Biofunctional surface modified ocular implants, surgical instruments, medical devices, prostheses, contact lenses and the like
