FIELD: medicine.
SUBSTANCE: device comprising a hydrogel lens with three concentric zones including optical zone, external zone, and peripheral zone located between the optical zone and the external zone. The peripheral zone of hydrogel lens includes a plurality of elongated protruding parts on the surface of the lens proximal to the surface of the wearer's eye that are separated by portions of the gaps between the elongated protruding parts so that none of the elongated protruding parts surrounds the optical zone completely. The elongated protruding parts are located outside the optical zone and within the external zone of hydrogel lens. The elongated protruding parts have a higher stiffness than the rest of the hydrogel lens.
EFFECT: more active transmission of oxygen, intense tearing.
16 cl, 4 dwg
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