SILICONE HYDROGELS, OPHTHALMIC AND CONTACT LENSES

摘要

FIELD: medicine.SUBSTANCE: invention refers to transparent silicone hydrogels. What is presented is silicone hydrogel prepared by polymerisation of mixture of monomers containing (a) 30-98 wt % of at least one silicone (meth)acrylamide monomer and (b) 1-50 wt % of at least one non-silicone (meth)acrylamide monomer containing two or more hydroxyl groups in its molecule; wherein weight percentage is calculated from a total amount of monomer and polymer components in the monomer mixture, and a total amount of monomers (a) and (b) makes 90 wt % or more in relation to the total amount of the monomer and polymer components in the monomer mixture. There are also presented a medical device, an ophthalmic lens and a contact lens made of the above silicone hydrogel.EFFECT: presented silicone hydrogel has the high content of acrylamide monomer and the excellent balance of humidity, elasticity, wetting ability and transparency, and is applicable to produce lenses having the excellent characteristics.19 cl, 4 tbl, 27 ex