INTRAOCULAR LENS IMPLANT Russian patent published in 2009 - IPC A61F2/14 

FIELD: medicine; ophthalmology.

SUBSTANCE: intraocular lens implant (ILI) contains optical and haptic elements. Anterior surface of optical element is convex surface segment of two-sheet hyperboloid with convexity directed the cornea. Back surface of the optical element is flat and elliptic. Haptic element contains markers designed as straight lines directed so that to be aligned with direction of the big axis of myopic astigmatism. Herewith the back surface of the haptic element is flat.

EFFECT: higher accuracy of myopic astigmatism correction.

4 dwg