WO1992006400A1 - Aspheric ophthalmic accommodating lens design for intraocular lens and contact lens - Google Patents
Aspheric ophthalmic accommodating lens design for intraocular lens and contact lens Download PDFInfo
- Publication number
- WO1992006400A1 WO1992006400A1 PCT/US1991/007368 US9107368W WO9206400A1 WO 1992006400 A1 WO1992006400 A1 WO 1992006400A1 US 9107368 W US9107368 W US 9107368W WO 9206400 A1 WO9206400 A1 WO 9206400A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lens
- semi
- zones
- vision
- apical
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/04—Contact lenses for the eyes
- G02C7/041—Contact lenses for the eyes bifocal; multifocal
- G02C7/042—Simultaneous type
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
- A61F2/16—Intraocular lenses
- A61F2/1613—Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/04—Contact lenses for the eyes
- G02C7/041—Contact lenses for the eyes bifocal; multifocal
- G02C7/045—Sectorial configuration
Definitions
- the diameter of the implanted intraocular lens 20 is normally significantly larger than the diameter of the pupil 26 so as to insure that all light passing through the pupil 26 will pass through the intraocular lens 20.
- the cross sectionally represented homocentric bundles of parallel light rays A from a distant axial point as well as diverging light rays B from a near axial point C are incident upon the cornea, and are refracted by the aqueous humor.
- the light rays then pass through the pupil 26 and are refracted by the novel lens 20 along the primary distance and near vision semi-meridian sections represented at right angles to one another along lines D-D' and E-E* respectively. Proceeding as converging bundles of light rays from the back surface of the lens, the rays are simultaneously brought to focus at the layer of the rods and cones of the retina 12 at F.
- a contact lens may be provided which is positioned on the anterior surface of the cornea, such that light rays directed toward the eye will pass through the contact lens, and thereafter through the pupillary aperture 26 to be focused on the retina 12. It should be recognized that in most instances, the crystalline lens will not have been removed in the situation where the contact lens is used to correct the refractive error of the eye, and thus correction by the contact lens will take into account the degree of presbyopia of the patient.
- the contact lens will be positioned about the apex of the corneal surface such that light rays directed toward the eye will pass therethrough and may thereafter pass through the pupillary aperture 26 depending upon its size.
- the plot 75 shows the refractive power of the lens first in a portion of the near vision zone 46 indicating a power of approximately 22 1/4 diopters.
- a 60° angular segment of the near vision portion 46 is traversed, after which the intermediate zone 52 shows a continuous and progressive decrease in power to the distance vision zone 40 occurring at the 120° mark.
- the distance vision zone 40 has an angular extent of 120° and is shown to be bisected by bisecting plane 38 extending through the polar center 32 of the surface and has a power of approximately 19 diopters.
- the second intermediate vision zone 54 begins, wherein the refractive power will increase continuously and regularly from distance vision zone 40 to near vision zone 46 beginning at the 300° mark.
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eyeglasses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US591,706 | 1990-10-02 | ||
US07/591,706 US5173723A (en) | 1990-10-02 | 1990-10-02 | Aspheric ophthalmic accommodating lens design for intraocular lens and contact lens |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992006400A1 true WO1992006400A1 (en) | 1992-04-16 |
Family
ID=24367565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1991/007368 WO1992006400A1 (en) | 1990-10-02 | 1991-10-02 | Aspheric ophthalmic accommodating lens design for intraocular lens and contact lens |
Country Status (3)
Country | Link |
---|---|
US (1) | US5173723A (en) |
EP (1) | EP0504393A4 (en) |
WO (1) | WO1992006400A1 (en) |
Cited By (13)
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EP0522852A1 (en) * | 1991-07-10 | 1993-01-13 | JOHNSON & JOHNSON VISION PRODUCTS, INC. | Segmented multifocal contact lens and method of manufacture |
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EP1147448A1 (en) * | 1998-12-16 | 2001-10-24 | Novartis AG | Multifocal contact lens with aspheric surface |
WO2002003126A1 (en) * | 2000-06-29 | 2002-01-10 | Brian David Cantor | Multifocal contact lenses |
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EP2940511A1 (en) * | 2014-04-30 | 2015-11-04 | Pegavision Corporation | Progressive multifocal sectorial ophthalmic lens |
EP2955566A1 (en) * | 2014-06-13 | 2015-12-16 | Pegavision Corporation | Toric lens |
CN105659152A (en) * | 2013-10-04 | 2016-06-08 | 欧福特克有限公司 | Ophthalmic lens for correcting astigmatism |
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US5502518A (en) * | 1993-09-09 | 1996-03-26 | Scient Optics Inc | Asymmetric aspheric contact lens |
US5635998A (en) * | 1994-12-06 | 1997-06-03 | Baugh; Thomas K. | Translating multifocal contact lens |
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AU6330696A (en) * | 1995-06-06 | 1996-12-24 | Scientific Optics, Inc. | Asymmetric bifocal intraocular lens |
US5728155A (en) * | 1996-01-22 | 1998-03-17 | Quantum Solutions, Inc. | Adjustable intraocular lens |
US5984962A (en) * | 1996-01-22 | 1999-11-16 | Quantum Vision, Inc. | Adjustable intraocular lens |
US5880809A (en) * | 1996-12-30 | 1999-03-09 | Scientific Optics, Inc. | Contact lens |
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US5815237A (en) * | 1996-07-01 | 1998-09-29 | Bausch & Lomb Incorporated | Contact lens and method for making the same |
US5777719A (en) * | 1996-12-23 | 1998-07-07 | University Of Rochester | Method and apparatus for improving vision and the resolution of retinal images |
US6231603B1 (en) | 1998-11-10 | 2001-05-15 | Allergan Sales, Inc. | Accommodating multifocal intraocular lens |
US6176878B1 (en) | 1998-12-17 | 2001-01-23 | Allergan Sales, Inc. | Accommodating intraocular lens |
US6164282A (en) * | 1999-01-27 | 2000-12-26 | Allergan Sales, Inc. | Methods for restoring and/or enhancing accommodation in pseudo phakia |
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US4923296A (en) * | 1988-07-14 | 1990-05-08 | Erickson Paul M | Oriented simultaneous vision bifocal contact lenses or the like utilizing introaocular suppression of blur |
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US4580882A (en) * | 1983-04-21 | 1986-04-08 | Benjamin Nuchman | Continuously variable contact lens |
US4640595A (en) * | 1984-05-02 | 1987-02-03 | David Volk | Aspheric contact lens |
US4710193A (en) * | 1986-08-18 | 1987-12-01 | David Volk | Accommodating intraocular lens and lens series and method of lens selection |
-
1990
- 1990-10-02 US US07/591,706 patent/US5173723A/en not_active Expired - Fee Related
-
1991
- 1991-10-02 EP EP19910920298 patent/EP0504393A4/en not_active Ceased
- 1991-10-02 WO PCT/US1991/007368 patent/WO1992006400A1/en not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3751138A (en) * | 1972-03-16 | 1973-08-07 | Humphrey Res Ass | Variable anamorphic lens and method for constructing lens |
US4704016A (en) * | 1982-10-13 | 1987-11-03 | N.G. Trustees & Nominees, Ltd. | Bifocal contact lenses |
US4798609A (en) * | 1987-08-24 | 1989-01-17 | Grendahl Dennis T | Radially segmented zone of focus artificial lens |
US4923296A (en) * | 1988-07-14 | 1990-05-08 | Erickson Paul M | Oriented simultaneous vision bifocal contact lenses or the like utilizing introaocular suppression of blur |
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0522852A1 (en) * | 1991-07-10 | 1993-01-13 | JOHNSON & JOHNSON VISION PRODUCTS, INC. | Segmented multifocal contact lens and method of manufacture |
GR920100213A (en) * | 1991-07-10 | 1993-05-24 | Johnson & Johnson Vision Prod | Multifocal contact lenses and method of manufacture. |
EP0764870A1 (en) * | 1991-07-10 | 1997-03-26 | JOHNSON & JOHNSON VISION PRODUCTS, INC. | Segmented multifocal contact lens |
EP1126310A2 (en) * | 1991-07-10 | 2001-08-22 | JOHNSON & JOHNSON VISION PRODUCTS, INC. | Segmented multifocal contact lens |
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Also Published As
Publication number | Publication date |
---|---|
EP0504393A4 (en) | 1993-02-17 |
EP0504393A1 (en) | 1992-09-23 |
US5173723A (en) | 1992-12-22 |
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