US Patent 7905917 Aspheric lenses and lens family
Patent 7905917 was granted and assigned to Bausch & Lomb on March, 2011 by the United States Patent and Trademark Office.
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In an embodiment, an aspheric IOL for use in a pseudophakic ocular system has no inherent spherical aberration. An embodiment of the invention is directed to a family of aspheric IOLs in which a lens constant, such as the well known A-constant, is kept constant throughout the family of lenses. An embodiment of the invention is directed to a multi-component accommodating intraocular lens (A-IOL) having substantially no inherent spherical aberration. An embodiment of the invention is directed to a family of member A-IOLs where each member A-IOL has a first (1) surface and a fourth (4) surface characterized by a radius and a conic constant that remain substantially constant over the power rage of the A-IOL family.
US Patent 07905917 Aspheric lenses and lens family US Patent 7905917 Aspheric lenses and lens family
US Patent 07905917 Aspheric lenses and lens family
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