FIELD: medical engineering.
SUBSTANCE: method involves combining two or more optical surfaces having smooth growth of magnification power. Their combination gives smooth growth of lens diopters values.
EFFECT: reduced undesired astigmatism; increased lens canal width over intermediate and near vision zones.
17 cl, 5 dwg, 4 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| LENS, SPECTACLE LENS AND METHOD FOR MANUFACTURING LENS | 1999 |
|
RU2231996C2 |
| LENSES WITH GRADUAL AUGMENTATION OF FOCAL POWER | 2000 |
|
RU2230347C2 |
| GRADUALLY INCREASED FOCAL POWER AND CHANGE-PROFILED FOCAL POWER LENSES | 2000 |
|
RU2244951C2 |
| PROGRESSIVE COMPOSED LENSES | 2000 |
|
RU2238580C2 |
| PROGRESSIVE LENS WITH GRADUAL GROWTH OF FOCAL POWER | 2002 |
|
RU2284558C2 |
| LENSES WITH SUCCESSIVE ADDITION | 1999 |
|
RU2229151C2 |
| LENSES WITH GRADUAL INCREASE OF OPTICAL POWER, APPROPRIATE FOR CLIENT REQUIREMENTS | 2001 |
|
RU2269806C2 |
| MULTIFOCAL CONTACT LENSES | 2007 |
|
RU2439635C2 |
| OPHTHALMOLOGIC LENSES FOR PREVENTING DEVELOPMENT OF MYOPIA | 2008 |
|
RU2458373C2 |
| LENS WITH GRADUAL INCREASE OF FOCAL POWER, WITH ADDED PRISMATIC POWER FOR IMPROVING THE USER'S COMFORT | 2002 |
|
RU2282225C2 |
