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Understanding the accommodating intraocular lens updating clob column

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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.The lens is currently undergoing FDA clinical trials.Initial reports of close to 100 eyes implanted with this lens have demonstrated that more than 95% of eyes have accommodative amplitudes of more than 1 D, 70% have more than 2 D, and 20% have more than 3 D.There are currently no peer-reviewed publications to substantiate these promising reports.

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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.

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.

One of the consistent findings in accommodative IOL studies is a disconnect between the measured axial movement of the IOLs and the unaided near acuities.

In most studies, axial lens movement is much smaller than would be expected for the functional near vision outcomes.