Diffractive/refractive spectacle and intraocular lens system for age-related macular degeneration
First Claim
Patent Images
1. An ophthalmic lens system comprising:
- an intraocular lens adapted for implantation in an eye and having a negative intraocular lens portion;
a positive lens system adapted to be outside the eye and direct light toward the negative intraocular lens portion of the intraocular lens;
each of the intraocular lens portion and the positive lens system having a plurality of lens surfaces; and
at least one of said lens surfaces including a diffractive portion for at least partially correcting for chromatic aberrations.
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Accused Products
Abstract
An ophthalmic lens system (11), including an IOL (15) having a negative IOL lens portion (22) and a positive lens (13) adapted to be outside the eye and direct light toward the negative IOL lens portion. At least one of the surfaces of at least one of the lenses has a diffractive portion.
106 Citations
23 Claims
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1. An ophthalmic lens system comprising:
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an intraocular lens adapted for implantation in an eye and having a negative intraocular lens portion; a positive lens system adapted to be outside the eye and direct light toward the negative intraocular lens portion of the intraocular lens; each of the intraocular lens portion and the positive lens system having a plurality of lens surfaces; and at least one of said lens surfaces including a diffractive portion for at least partially correcting for chromatic aberrations. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An ophthalmic lens system comprising:
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an intraocular lens adapted for implantation in the eye and having a negative intraocular lens portion; spectacles including a positive lens adapted to direct light toward the negative intraocular lens portion of the intraocular lens, said positive lens having front and back surfaces; and at least one of said surfaces including a diffractive portion. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. A method of correcting for macular degeneration comprising passing light through a positive lens system located outside an eye and having a diffractive surface and then through a negative intraocular lens portion located within the eye.
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22. An ophthalmic lens system for assisting patients with central retinal visions problems comprising:
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an intraocular lens adapted for implantation in the eye and having a negative intraocular lens portion; spectacles including a monofocal positive lens adapted to direct light toward the negative intraocular lens portion of the intraocular lens, said positive lens having front and back surfaces; and at least one of said surfaces including a diffractive portion for at least partially correcting for chromatic aberrations. - View Dependent Claims (23)
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Specification