" W is O or NH, n is an integer between 1 and 10, m is an integer between 2 and 200, and Y is a residue having a reactive functional group selected from the group consisting of hydroxyl, carboxyl, oxazolone, epoxy and anhydride functional groups, and (B) 5 to 50 weight % of at least one copolymerizable device-forming monomer, contacting a surface of the device with a solution containing a surface m" . . . .