AR099704A1 - MULTIFOCAL DIFRACTIVE OPHTHALMIC LENS USING A SUPPRESSED DIFRACTION ORDER - Google Patents
MULTIFOCAL DIFRACTIVE OPHTHALMIC LENS USING A SUPPRESSED DIFRACTION ORDERInfo
- Publication number
- AR099704A1 AR099704A1 ARP150100711A ARP150100711A AR099704A1 AR 099704 A1 AR099704 A1 AR 099704A1 AR P150100711 A ARP150100711 A AR P150100711A AR P150100711 A ARP150100711 A AR P150100711A AR 099704 A1 AR099704 A1 AR 099704A1
- Authority
- AR
- Argentina
- Prior art keywords
- ophthalmic lens
- suppressed
- focus
- multifocal
- difractive
- Prior art date
Links
Abstract
Una lente oftálmica multifocal incluye una lente oftálmica y un elemento difractivo. La lente oftálmica tiene una curvatura de base que corresponde a una potencia de base. El elemento difractivo produce interferencia constructiva en al menos cuatro órdenes de difracción consecutivos correspondientes a un rango de visión entre la visión de cerca y a distancia. La interferencia constructiva produce un foco de cerca, un foco a distancia correspondiente a la potencia de base de la lente oftálmica y un foco intermedio entre el foco de cerca y el foco a distancia. Se suprime una eficacia de difracción de al menos uno de los órdenes de difracción a menos del diez por ciento.A multifocal ophthalmic lens includes an ophthalmic lens and a diffractive element. The ophthalmic lens has a base curvature that corresponds to a base power. The diffractive element produces constructive interference in at least four consecutive diffraction orders corresponding to a range of vision between near and distance vision. Constructive interference produces a near focus, a distant focus corresponding to the base power of the ophthalmic lens and an intermediate focus between the near focus and the remote focus. A diffraction efficiency of at least one of the diffraction orders at less than ten percent is suppressed.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201461993892P | 2014-05-15 | 2014-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AR099704A1 true AR099704A1 (en) | 2016-08-10 |
Family
ID=58699897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP150100711A AR099704A1 (en) | 2014-05-15 | 2015-03-10 | MULTIFOCAL DIFRACTIVE OPHTHALMIC LENS USING A SUPPRESSED DIFRACTION ORDER |
Country Status (1)
| Country | Link |
|---|---|
| AR (1) | AR099704A1 (en) |
-
2015
- 2015-03-10 AR ARP150100711A patent/AR099704A1/en unknown
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FB | Suspension of granting procedure |