Process for manufacturing an intraocular lens with an embedded mask
First Claim
Patent Images
1. A method of manufacturing an intraocular lens, the method comprising:
- adding a first amount of a lens material to a first lens forming mold portion;
positioning a mask with an aperture on a protruding pin of a positioning mold portion such that the protruding pin extends into the aperture of the mask, the protruding pin being configured to center the mask in the intraocular lens;
joining the first lens forming mold portion and the positioning mold portion; and
partially curing the first amount of the lens material;
wherein the positioning the mask on the protruding pin comprises positioning the mask adjacent to a shoulder portion of the protruding pin having a diameter larger than the aperture of the mask, the shoulder portion being configured to control the depth of the mask in the intraocular lens.
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Abstract
Intraocular implants and methods of making intraocular implants are provided. The intraocular implant can include a mask adapted to increase depth of focus. The method of manufacturing the implant can include positioning the mask with an aperture on a protruding pin of a positioning mold portion. The protruding pin can be configured to center the mask in the intraocular lens.
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Citations
16 Claims
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1. A method of manufacturing an intraocular lens, the method comprising:
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adding a first amount of a lens material to a first lens forming mold portion; positioning a mask with an aperture on a protruding pin of a positioning mold portion such that the protruding pin extends into the aperture of the mask, the protruding pin being configured to center the mask in the intraocular lens; joining the first lens forming mold portion and the positioning mold portion; and partially curing the first amount of the lens material; wherein the positioning the mask on the protruding pin comprises positioning the mask adjacent to a shoulder portion of the protruding pin having a diameter larger than the aperture of the mask, the shoulder portion being configured to control the depth of the mask in the intraocular lens. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification