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INTRAOCULAR LENS OR LENS SYSTEM TO PROVIDE MONOFOCAL VISION AT MULTIPLE PRE-DEFINED FOCAL POINTS
专利权人:
NOVARTIS AG
发明人:
LAUREN DeVITA GERARDI
申请号:
US14107425
公开号:
US20140180410A1
申请日:
2013.12.16
申请国别(地区):
US
年份:
2014
代理人:
摘要:
An accommodative intraocular lens is described that provides monofocal vision at multiple pre-defined focal points during accommodation. The intraocular lens includes a lens element having a series of stacked optics that can be formed utilizing multiple different materials, each of which can have a different stiffness. In an implanted, disaccommodated state, the lens element can have a pre-defined curvature to thus define a first or base focal point of the intraocular lens. Upon accommodation of the patient's eye, the optics can be compressed and/or deformed at differing intervals so as to provide the intraocular lens with three or more distinct focal points. As an alternative, the lens element can include optics formed with multiple sets of haptic elements having varying haptic stiffnesses to vary compression of the optics in order to provide the intraocular lens with multiple focal points.
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