FIELD: medicine, pharmacy.
SUBSTANCE: invention relates to a hydrated silicone hydrogel contact lens. The lens has a layered structure and comprises a low-water silicone hydrogel core or bulk material, which is completely covered by a water-enriched layer of hydrogel.
EFFECT: invention provides high oxygen permeability required to ensure the health of the cornea, and soft, water-enriched smooth surface for comfort while wearing.
16 cl, 9 dwg, 11 tbl, 33 ex
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Authors
Dates
2017-05-17—Published
2015-11-13—Filed