CONTACT LENSES WITH STABILISING PROPERTIES Russian patent published in 2015 - IPC G02C7/04 

FIELD: medicine.

SUBSTANCE: contact lens has thickened stabilisation zones, which have length, height and inclination angle with part of said zones, having maximal thickness. Momentums of length movement quantity are balanced. In first version distance from lens centre to point on lens, in which stabilisation zone has maximal thickness, is different from distance from lens centre to other point on lens, in which stabilisation zone has maximal thickness. In second version distance from lens edge to point on lens, in which stabilisation zone has maximal thickness is not equal to distance from lens edge to other point on lens, in which the same stabilisation zone has maximal thickness.

EFFECT: improvement of stabilisation.

8 cl, 18 dwg, 3 tbl