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TORIC INTRAOCULAR LENS WITH MODIFIED POWER CHARACTERISTICS
专利权人:
Abbott Medical Optics Inc.
发明人:
Huawei Zhao,Hendrik A. Weeber,Patricia Ann Piers
申请号:
US13892888
公开号:
US20130253644A1
申请日:
2013.05.13
申请国别(地区):
US
年份:
2013
代理人:
摘要:
An intraocular lens for correcting or reducing the astigmatism of a cornea includes an optical element that has optical properties and characteristics that make it tolerant of rotational misalignment, when compared to a comparable lens having a uniform astigmatism orientation across its entire optical element, leading to more relaxed tolerances for a surgeon that implants the lens. The optical element of the toric ophthalmic lens has meridians associated therewith, including a high power meridian and a low power meridian orthogonal to the high power meridian. The optical element has at least one radially modulated meridian along which power monotonically varies with increasing radial position.
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