Multi focal intra-ocular lens

Details Multi focal intra-ocular lens Multi focal intra-ocular lens

A - Human Necessities

61

F

3/112, 88/41

A61F 2/16 (2006.01)

Patent

CA 1319793

ABSTRACT The invention comprises an IOL (10) with at least a center zone (12) and two concentrically located ring zones (14, 16) arranged thereabout, the center zone (12) having a distance power correction. The first concentric ring zone (14) has a near power correction. In one embodiment the lens body is provided with haptics (18, 20) which act to center the lens body when it is surgically implanted within the posterior lens capsule (30). In other embodiments, the lens diameter is increased to mate with the internal dimensions of the posterior lens capsule (30) or is provided with the encircling haptic (52) which bears against the posterior lens capsule.

605976

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