DE2519708C3 - Verfahren und Vorrichtung zum Herstellen von Kontaktlinsen - Google Patents
Verfahren und Vorrichtung zum Herstellen von KontaktlinsenInfo
- Publication number
- DE2519708C3 DE2519708C3 DE19752519708 DE2519708A DE2519708C3 DE 2519708 C3 DE2519708 C3 DE 2519708C3 DE 19752519708 DE19752519708 DE 19752519708 DE 2519708 A DE2519708 A DE 2519708A DE 2519708 C3 DE2519708 C3 DE 2519708C3
- Authority
- DE
- Germany
- Prior art keywords
- contact lens
- eye
- curvature
- blank
- contact lenses
- 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
- 238000000034 method Methods 0.000 title claims description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 230000003287 optical effect Effects 0.000 claims description 24
- 239000012528 membrane Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 210000001508 eye Anatomy 0.000 claims 9
- 210000005252 bulbus oculi Anatomy 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 238000010792 warming Methods 0.000 claims 1
- 230000006978 adaptation Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 201000009310 astigmatism Diseases 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 210000004087 cornea Anatomy 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00932—Combined cutting and grinding thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00019—Production of simple or compound lenses with non-spherical faces, e.g. toric faces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/76—Office equipment or accessories
- B29L2031/7602—Maps
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7415328A FR2269413A1 (en) | 1974-05-03 | 1974-05-03 | Contact lens shaped after optical finishing - by pressing onto variable mould adjusted to simulate eye |
| FR7502396A FR2298425A2 (fr) | 1975-01-27 | 1975-01-27 | Conformateur-modeleur a courbure reglable affichee, pour lentilles corneennes |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2519708A1 DE2519708A1 (de) | 1975-11-20 |
| DE2519708B2 DE2519708B2 (en, 2012) | 1979-08-02 |
| DE2519708C3 true DE2519708C3 (de) | 1980-04-10 |
Family
ID=26218314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752519708 Expired DE2519708C3 (de) | 1974-05-03 | 1975-05-02 | Verfahren und Vorrichtung zum Herstellen von Kontaktlinsen |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH588342A5 (en, 2012) |
| DE (1) | DE2519708C3 (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3138727A1 (de) * | 1981-09-29 | 1983-04-21 | Siemens AG, 1000 Berlin und 8000 München | Frequenzanalysator in planarer wellenleitertechnologie und verfahren zur herstellung einer planaren geodaetischen linse auf oder in einem substrat |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4401371A (en) * | 1979-09-24 | 1983-08-30 | Neefe Charles W | Hydrogel oxygen generator with improved fluid flow |
| DE3117474A1 (de) * | 1981-05-02 | 1982-11-18 | Fa. Carl Zeiss, 7920 Heidenheim | Verfahren und vorrichtung zum herstellen von formteilen mit asphaerischen oberflaechen |
| DE3142126A1 (de) * | 1981-10-23 | 1983-05-11 | Dorst-Keramikmaschinen-Bau Otto Dorst U. Dipl.-Ing. Walter Schlegel, 8113 Kochel | "presse zum herstellen masshaltiger presslinge aus pulverfoermigem material" |
| US4618227A (en) * | 1983-10-07 | 1986-10-21 | Vistakon, Inc. | Soft contact lens |
| GB2195942B (en) * | 1986-07-29 | 1989-12-20 | Penrhyn Francis Thomas | Improved contact lens buckling machine |
| US5009497A (en) * | 1987-11-12 | 1991-04-23 | Cohen Allen L | Contact lenses utilizing keel orientation |
| US5441398A (en) * | 1992-10-08 | 1995-08-15 | Gentex Optics, Inc. | Insert for molding convex surfaces of progressive lenses and retainer therefor |
-
1975
- 1975-05-02 DE DE19752519708 patent/DE2519708C3/de not_active Expired
- 1975-05-05 CH CH575475A patent/CH588342A5/xx not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3138727A1 (de) * | 1981-09-29 | 1983-04-21 | Siemens AG, 1000 Berlin und 8000 München | Frequenzanalysator in planarer wellenleitertechnologie und verfahren zur herstellung einer planaren geodaetischen linse auf oder in einem substrat |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2519708B2 (en, 2012) | 1979-08-02 |
| CH588342A5 (en, 2012) | 1977-05-31 |
| DE2519708A1 (de) | 1975-11-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| EHJ | Ceased/non-payment of the annual fee |