Fluidvision accommodating iol power vision
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The study revealed, “patients who received the Fluid Vision lens in one eye during cataract surgery [who] had impressive results of 20/33, 20/25 and 20/20 respectively for near, intermediate, and distance vision.” The two main optical challenges that Fluid Vision will address are presbyopia and cataracts.
Presbyopia is the slow degeneration of the eye’s crystalline lens.
The limitations of these IOLs stem from their inability to move significantly enough to generate large amplitudes of accommodative power that would yield consistently acceptable near visual acuities.
A recent study using pilocarpine 2% to simulate accommodation and partial coherence interferometry to measure the changes in anterior chamber depth (and, thus, forward movement of the IOL) revealed no more than 0.50 diopters (D) of accommodative amplitude in most cases 2003;9-676).
The Morcher Bio Comfold 43E is not approved by the United States Food and Drug Administration (FDA).
Accommodating IOLs may very well transform the practice of cataract and refractive lens surgery.
This is because accommodative IOLs can potentially provide unaided near visual acuity without the optical aberrations and image degradation that may accompany multifocal IOL implantation.
Although other studies have demonstrated much higher degrees of accommodative amplitudes, unfavorable results among European ophthalmologists who have utilized this lens will in all likelihood impair its success in the general market. The Lenstec Tetra Flex is a square-edged, acrylic IOL with closed-loop haptics designed to move forward during accommodative effort.