METHOD OF OBTAINING A COMPLETE SHAPE OF A CRYSTALLINE LENS FROM IN-VIVO MEASUREMENTS TAKEN BY OPTICAL IMAGING TECHNIQUES AND METHOD OF ESTIMATING AN INTRAOCULAR LENS POSITION FROM THE COMPLETE SHAPE OF THE CRYSTALLINE LENS IN A CATARACT SURGERY

摘要

The invention relates to a method of estimating a full shape of a crystalline lens from measurements of the lens taken in-vivo by optical imaging techniques, the measurements comprising visible portions of the lens, the method comprising: - receiving the in-vivo measurements of the lens, - determining non-visible portions of the lens parting from the in-vivo measurements, wherein determining non-visible portions of the lens comprises: a) establishing a location of a first plurality of points (3, 61) which defines an initial full shape of a crystalline lens, b) displacing the first plurality of points (3, 61) a plurality of lengths following a plurality of directions to a location of a second plurality of points (55), wherein the second plurality of points (55) are estimated points of the full shape of the lens of which the in-vivo measurements have been taken, wherein the initial full shape of a crystalline lens is obtained from ex-vivo measurements and the plurality of lengths is estimated from the in-vivo measurements. The invention also relates to a method of selecting an intraocular lens implantable in an eye. And to a data-processing system configured to determine a full shape of a crystalline lens.