Method and assembly for forming an intraocular lens
AssigneeAMO Groningen B.V.
InventorsMitchell Gerardus Maas, Martin Dinant Bijker
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Abstract
A method of forming a mold insert used to produce an intraocular lens (IOL) mold is disclosed herein. The method includes providing stock material and cutting the stock material, which includes multiple cutting steps. The cutting steps are performed on transitional regions of supporting portions of the mold insert. Peripheral surfaces of the mold insert have varying roughness values, and supporting portions of the mold insert have a greater roughness than the optical portion of the mold insert. An IOL is also disclosed herein that is formed using an IOL mold that is injection molded using the mold insert. A method of forming the IOL is also disclosed herein.
Claims13
A method of forming a mold insert used to produce an intraocular lens (IOL) mold, the method comprising:
- a first cutting step around a first predetermined periphery of a mold insert in a stock material, wherein the first cutting step begins and ends on at least one transitional region of at least one supporting portion of the mold insert in locations positioned away from an optical portion of the mold insert;
- and
- a detachment cutting step to remove the mold insert from a remainder of the stock material.
Dependencies are inferred from the claim text.