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Multifocal contact lenses and related methods and uses to improve vision of prebyopic subjects
专利权人:
发明人:
Arthur Back
申请号:
US13747513
公开号:
US08777415B2
申请日:
2013.01.23
申请国别(地区):
US
年份:
2014
代理人:
摘要:
Multifocal contact lenses and methods and uses are described. The multifocal contact lenses include an optic zone. The optic zone has an aspheric power profile that provides a near vision refractive power and a distance vision refractive power, and provides an Add power that corresponds to the difference between the near vision refractive power and the distance vision refractive power. The multifocal contact lenses can improve binocular vision of presbyopic subjects by being prescribed such that the non-dominant eye contact lens is over-corrected for distance vision, and both multifocal contact lenses are under-corrected for the Add power requirement of the subject. Batches and sets of multifocal contact lenses are also described.
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中国工程科技知识中心
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http://www.ckcest.cn/home/
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