FIELD: medicine.
SUBSTANCE: group of inventions relates to medical equipment. Intraocular lens contains optical element, which contains front surface, back surface and multitude of diffracting zones, placed on one of mentioned surfaces. Surface, which contains diffracting zones, has profile, which is characterised by combination of aspherical and toric components.
EFFECT: application of claimed group of inventions will ensure correction of aspherical and astigmatic aberrations.
19 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| EXTENDED DEPTH OF FOCUS INTRAOCULAR LENS | 2020 |
|
RU2820775C1 |
| APODISED ASPHERICAL DIFFRACTION LENSES | 2005 |
|
RU2383312C2 |
| ASPHERICAL TOROIDAL INTRAOCULAR LENS | 2009 |
|
RU2496449C2 |
| THORIC OPHTHALMIC LENS | 2017 |
|
RU2757562C2 |
| EYE LENS WITH OPTICAL SECTORS | 2010 |
|
RU2532240C2 |
| DIFFRACTION MULTIFOCAL IMPLANTED LENS DEVICE | 2017 |
|
RU2779788C2 |
| OPHTHALMIC MULTIFOCAL LENS AND A METHOD OF ITS MANUFACTURING | 2019 |
|
RU2804912C1 |
| INTRAOCULAR LENSES HAVING OPTICAL STRUCTURE SHIFTED FORWARD | 2018 |
|
RU2785137C2 |
| ZONAL DIFFRACTION MULTIFOCAL INTRAOCULAR LENS | 2008 |
|
RU2508077C2 |
| MULTIFOCAL INTRAOCOULAR LENS WITH INCREASED DEPTH OF FIELD | 2015 |
|
RU2673953C2 |
