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G. Savaresi, C.O. Pierrottet, N. Orzalesi; The IOL–Vip® Software: guidelines for IOL–Vip® implant. . Invest. Ophthalmol. Vis. Sci. 2004;45(13):2010.
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Purpose: The IOL–Vip® (Visually Impaired People) software has been developed to provide ophthalmologists and low vision therapists with a dedicated software, for selection of patients with cataract and macular degeneration that are suitable for the intraocular implant of the IOL–Vip® double–IOL system. Methods: The IOL–Vip® software is composed of six clinical records which collect demography, general and ophthalmological data, rehabilitation patterns of patients candidates to IOL–Vip® system implant. The software performs a functional evaluation of the objective and subjective Preferred Retinal Locus (PRL) by means of four different campimetric examinations and of best corrected visual acuity, contrast sensitivity and reading speed. All the tests can be administered in virtual vision condition, obtained with the Jordy device. Recording the visual improvement of the IOL– Vip® system, by simulation of the magnifying and prismatic effects of the latter, is also possible with the software, which automatically elaborates the rehabilitation program for training the PRL, before surgery (during two weeks) and after surgery (during the first three months). Results: 60 patients suffering from cataract and macular degeneration underwent a complete evaluation by means of the IOL–Vip® software. 42 of them satisfied the inclusion criteria for surgery. The most common cause (12 out of 18) of exclusion was represented by a PRL too far from the fovea and/or not responding adequately to pre–surgical training. Less common causes were concomitant glaucoma with contracted visual field (1 case) and an active exudative AMD (2 cases). Three patients were excluded for denying the rehabilitation training. Conclusions: The IOL–Vip® software represents a new method for evaluating patients with central low vision. It is easy to use and supplies a series of information which may be considered mandatory for an adequate and efficient IOL–Vip® double–IOL system intraocular implant.
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