ACCOMMODATING INTRAOCULAR LENS Russian patent published in 2009 - IPC A61F2/16 

FIELD: medicine.

SUBSTANCE: intraocular lens includes optical and support elements. The support elements are composite. The first support element is made in form of a closed ellipsoidal elastic transparent polymer jacket, congruent to the inner surface of the capsular sack and filled with transparent liquid. The first support element can change its geometrical shape and provides for reciprocal motion along the transverse axis of symmetry, which coincides with the central optical axis of the optical element. The surface of the first support element has, on its side facing the capsulorhexis zone, not less than three rectangular stop lugs, located at equal angular distance from each other and each made in form of a rectangular plate, bent at a right angle. The second support element is made in form of an elliptical segment, arched congruently to the outer surface of the first support element and is provided with not less than three lugs, situated at equal angular distance from each other. The second support element can interact with the stop lugs of the first support element and is joined to an elastic optical element, which can execute reciprocal motion along the transverse axis of symmetry together with the second support element.

EFFECT: improvement of accommodating properties, reduction of local deformations of tissue of the capsular sack.

4 dwg