DE2462446C3 - Multifokal-Brillenglas und Verfahren zur Herstellung eines Multifokal-Brillenglases - Google Patents
Multifokal-Brillenglas und Verfahren zur Herstellung eines Multifokal-BrillenglasesInfo
- Publication number
- DE2462446C3 DE2462446C3 DE2462446A DE2462446A DE2462446C3 DE 2462446 C3 DE2462446 C3 DE 2462446C3 DE 2462446 A DE2462446 A DE 2462446A DE 2462446 A DE2462446 A DE 2462446A DE 2462446 C3 DE2462446 C3 DE 2462446C3
- Authority
- DE
- Germany
- Prior art keywords
- spectacle lens
- main
- viewing zone
- parts
- multifocal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000004519 manufacturing process Methods 0.000 title description 8
- 239000011521 glass Substances 0.000 description 15
- 201000009310 astigmatism Diseases 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000000919 ceramic Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000007704 transition Effects 0.000 description 5
- 238000012937 correction Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- NNWNNQTUZYVQRK-UHFFFAOYSA-N 5-bromo-1h-pyrrolo[2,3-c]pyridine-2-carboxylic acid Chemical compound BrC1=NC=C2NC(C(=O)O)=CC2=C1 NNWNNQTUZYVQRK-UHFFFAOYSA-N 0.000 description 1
- 229920002574 CR-39 Polymers 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
- G02C7/061—Spectacle lenses with progressively varying focal power
- G02C7/063—Shape of the progressive surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/035—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending
- C03B23/0352—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet
- C03B23/0357—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet by suction without blowing, e.g. with vacuum or by venturi effect
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/20—Uniting glass pieces by fusing without substantial reshaping
- C03B23/22—Uniting glass lenses, e.g. forming bifocal lenses
-
- 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
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
- G02C7/061—Spectacle lenses with progressively varying focal power
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Eyeglasses (AREA)
- Lenses (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US38904273A | 1973-08-16 | 1973-08-16 | |
| US38904473A | 1973-08-16 | 1973-08-16 | |
| US38904373A | 1973-08-16 | 1973-08-16 | |
| US05/619,143 US4056311A (en) | 1973-08-16 | 1975-10-01 | Progressive power ophthalmic lens having a plurality of viewing zones with non-discontinuous variations therebetween |
| US05/638,869 US4062629A (en) | 1973-08-16 | 1975-12-08 | Progressive power ophthalmic lens having a plurality of viewing zone with discontinuous power variations therebetween |
| US05/638,870 US4055379A (en) | 1973-08-16 | 1975-12-08 | Multifocal lens |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2462446A1 DE2462446A1 (de) | 1977-03-31 |
| DE2462446B2 DE2462446B2 (de) | 1979-01-25 |
| DE2462446C3 true DE2462446C3 (de) | 1979-09-20 |
Family
ID=62567082
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742439127 Ceased DE2439127B2 (de) | 1973-08-16 | 1974-08-14 | Brillenglas und verfahren zur herstellung eines brillenglases |
| DE2462446A Expired DE2462446C3 (de) | 1973-08-16 | 1974-08-14 | Multifokal-Brillenglas und Verfahren zur Herstellung eines Multifokal-Brillenglases |
| DE19762644450 Pending DE2644450A1 (de) | 1973-08-16 | 1976-10-01 | Multifokal-brillenglas und verfahren zur herstellung eines multifokal-brillenglases |
| DE19762644510 Ceased DE2644510A1 (de) | 1973-08-16 | 1976-10-01 | Brillenglas und verfahren zur herstellung eines brillenglases |
| DE19767630825U Expired DE7630825U1 (de) | 1973-08-16 | 1976-10-01 | Brillenglas |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742439127 Ceased DE2439127B2 (de) | 1973-08-16 | 1974-08-14 | Brillenglas und verfahren zur herstellung eines brillenglases |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762644450 Pending DE2644450A1 (de) | 1973-08-16 | 1976-10-01 | Multifokal-brillenglas und verfahren zur herstellung eines multifokal-brillenglases |
| DE19762644510 Ceased DE2644510A1 (de) | 1973-08-16 | 1976-10-01 | Brillenglas und verfahren zur herstellung eines brillenglases |
| DE19767630825U Expired DE7630825U1 (de) | 1973-08-16 | 1976-10-01 | Brillenglas |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5753570B2 (enrdf_load_stackoverflow) |
| DE (5) | DE2439127B2 (enrdf_load_stackoverflow) |
| FR (2) | FR2270613A1 (enrdf_load_stackoverflow) |
| NL (1) | NL168626C (enrdf_load_stackoverflow) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL168626C (nl) * | 1973-08-16 | 1982-04-16 | American Optical Corp | Lens voor een bril met over het oppervlak varierende sterkte. |
| JPS526635U (enrdf_load_stackoverflow) * | 1975-07-01 | 1977-01-18 | ||
| DE2610203B2 (de) * | 1976-03-11 | 1981-01-22 | Optische Werke G. Rodenstock, 8000 Muenchen | Progressives Brillenglas |
| FR2419257A1 (fr) * | 1978-03-08 | 1979-10-05 | Stenger Et Cie Sarl E Et G | Procede de fabrication de lentilles a puissance progressive et lentilles ainsi obtenues |
| FR2425653A1 (fr) * | 1978-05-12 | 1979-12-07 | Essilor Int | Procede pour elaborer une surface de refraction d'une lentille ophtalmique a puissance focale progressivement variable |
| JPS5942286B2 (ja) * | 1979-08-24 | 1984-10-13 | セイコーエプソン株式会社 | 眼鏡レンズ |
| US4307945A (en) * | 1980-02-14 | 1981-12-29 | Itek Corporation | Progressively varying focal power opthalmic lens |
| JPS56128916A (en) * | 1980-02-14 | 1981-10-08 | Itek Corp | Lens for glasses having sequentially varying focus |
| US4271538A (en) * | 1980-03-24 | 1981-06-09 | Norton Company | Safety spectacles |
| JPS56144414A (en) * | 1980-04-12 | 1981-11-10 | Hoya Corp | Progressive multifocal lens |
| JPS5794714A (en) * | 1980-12-05 | 1982-06-12 | Seiko Epson Corp | Progressive multifocus lens |
| JPS5799613A (en) * | 1980-12-12 | 1982-06-21 | Seiko Epson Corp | Progressive multifocus lens |
| FR2495789B1 (fr) * | 1980-12-05 | 1986-02-14 | Suwa Seikosha Kk | Lentille multifocale progressive |
| DE3116524C2 (de) * | 1981-02-09 | 1993-06-24 | AO Inc., Southbridge, Mass. | Brillenglas, insbesondere zur Korrektion von Presbyopie |
| JPS57210320A (en) * | 1981-06-19 | 1982-12-23 | Hoya Corp | Progressive focus lens |
| JPS5988718A (ja) * | 1982-11-12 | 1984-05-22 | Hoya Corp | 眼の輻輳を考慮した累進焦点眼鏡レンズ |
| JPH0690368B2 (ja) * | 1985-07-09 | 1994-11-14 | セイコーエプソン株式会社 | 累進多焦点レンズ及び眼鏡 |
| GB8528460D0 (en) * | 1985-11-19 | 1985-12-24 | Sola Int Holdings | Multifocal lens |
| US4838675A (en) * | 1987-06-19 | 1989-06-13 | Sola International Holdings, Ltd. | Method for improving progressive lens designs and resulting article |
| DE3739974A1 (de) * | 1987-11-25 | 1989-06-08 | Rodenstock Optik G | Progressives brillenglas |
| JPH03109522A (ja) * | 1990-09-14 | 1991-05-09 | Seiko Epson Corp | 累進多焦点レンズ |
| US5446508A (en) * | 1994-02-18 | 1995-08-29 | Bmc Industries, Inc. | Progressive power lens |
| US6827441B2 (en) * | 2002-01-31 | 2004-12-07 | Opticlear Inc. | Progressive lens with reduced distortion |
| CN101208628B (zh) | 2005-06-03 | 2011-05-18 | Hoya株式会社 | 眼用透镜 |
| DE102005057533A1 (de) | 2005-12-01 | 2007-06-06 | Rodenstock Gmbh | Verfahren zum Berechnen der Vergrößerung und/oder Verzerrung und Verfahren zum Herstellen eines Brillenglases mit geringer Vergrößerung und/oder Verzerrung |
| WO2013040695A1 (en) | 2011-09-22 | 2013-03-28 | Bernard Fresco | Multi-focal lens |
| JP2019045545A (ja) * | 2017-08-30 | 2019-03-22 | 東海光学株式会社 | バイフォーカルレンズ及びそのバイフォーカルレンズの製造方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1271356A (en) * | 1915-04-01 | 1918-07-02 | Arthur E Paige | Multifocal optical element. |
| US2475275A (en) * | 1945-01-19 | 1949-07-05 | Birchall Henry James | Lens of variable focal power having surfaces of involute form |
| US2919523A (en) * | 1951-09-04 | 1960-01-05 | Bozena Marie Phillips | Ophthalmic lenses and process and apparatus for producing the same |
| BE533468A (enrdf_load_stackoverflow) * | 1953-11-25 | |||
| DE1151955B (de) * | 1953-11-25 | 1963-07-25 | & Commerciale Des Ouvriers Lun | Optisches Element mit stetig veraenderlicher Brechkraft |
| DE1145820B (de) * | 1956-10-06 | 1963-03-21 | Saint Gobain | Brillenglas |
| FR1509090A (fr) * | 1966-11-29 | 1968-01-12 | Lunetiers Cottet Poichet Soc D | Perfectionnements aux lentilles ophtalmiques à puissance focale progressivement variable |
| BE755907A (fr) * | 1969-09-11 | 1971-02-15 | Lunetiers | Lentilles a puissance focale progressive |
| NL168626C (nl) * | 1973-08-16 | 1982-04-16 | American Optical Corp | Lens voor een bril met over het oppervlak varierende sterkte. |
-
1974
- 1974-08-12 NL NLAANVRAGE7410793,A patent/NL168626C/xx not_active IP Right Cessation
- 1974-08-13 FR FR7428011A patent/FR2270613A1/fr active Granted
- 1974-08-14 DE DE19742439127 patent/DE2439127B2/de not_active Ceased
- 1974-08-14 DE DE2462446A patent/DE2462446C3/de not_active Expired
- 1974-08-15 JP JP49092885A patent/JPS5753570B2/ja not_active Expired
-
1976
- 1976-09-23 FR FR7628575A patent/FR2326718A2/fr active Granted
- 1976-10-01 DE DE19762644450 patent/DE2644450A1/de active Pending
- 1976-10-01 DE DE19762644510 patent/DE2644510A1/de not_active Ceased
- 1976-10-01 DE DE19767630825U patent/DE7630825U1/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5753570B2 (enrdf_load_stackoverflow) | 1982-11-13 |
| FR2326718B2 (enrdf_load_stackoverflow) | 1982-04-30 |
| NL168626C (nl) | 1982-04-16 |
| FR2270613B1 (enrdf_load_stackoverflow) | 1979-06-15 |
| NL168626B (nl) | 1981-11-16 |
| FR2270613A1 (en) | 1975-12-05 |
| DE7630825U1 (de) | 1980-04-17 |
| NL7410793A (nl) | 1975-02-18 |
| DE2644510A1 (de) | 1977-04-14 |
| JPS5046348A (enrdf_load_stackoverflow) | 1975-04-25 |
| DE2462446B2 (de) | 1979-01-25 |
| DE2439127B2 (de) | 1977-10-06 |
| DE2462446A1 (de) | 1977-03-31 |
| DE2644450A1 (de) | 1977-04-07 |
| DE2439127A1 (de) | 1975-02-27 |
| FR2326718A2 (fr) | 1977-04-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OI | Miscellaneous see part 1 | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: AO INC., 07950 SOUTHBRIDGE, MASS., US |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: DIEHL, H., DIPL.-PHYS. DR.RER.NAT. KRESSIN, H., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: DIEHL, H., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN |