Process for the hydrophilization of contact lenses

摘要

The process is characterised in that a contact lens is treated with a compound of the formula I Ar-Z-Ar' (I> in which Ar and Ar' are, independently of one another, an aromatic radical which can be substituted by lower alkoxy and/or by lower alkyl, and in which one of the radicals Ar or Ar' or both radicals Ar and Ar' carry one or more substituents X which are selected, independently of one another, from among a polar functional group Y, lower alkyl which is substituted by a polar functional group Y, and lower alkoxy which is substituted by a polar functional group Y, and in which Z is a divalent group which separates Ar and Ar' from one another by 1 to 6 atoms. The invention likewise relates to contact lenses treated according to the invention and to the use of compounds of the formula I in the process according to the invention.