DK116168B - Fremgangsmåde til slibning og polering af kontaktlinser fremstillet ved polymerisationsstøbning af en hydrofil monomerblanding. - Google Patents

Fremgangsmåde til slibning og polering af kontaktlinser fremstillet ved polymerisationsstøbning af en hydrofil monomerblanding.

Info

Publication number
DK116168B
DK116168B DK78567AA DK78567A DK116168B DK 116168 B DK116168 B DK 116168B DK 78567A A DK78567A A DK 78567AA DK 78567 A DK78567 A DK 78567A DK 116168 B DK116168 B DK 116168B
Authority
DK
Denmark
Prior art keywords
grinding
monomer mixture
contact lenses
hydrophilic monomer
lenses prepared
Prior art date
Application number
DK78567AA
Other languages
Danish (da)
English (en)
Inventor
O Wichterle
Original Assignee
Ceskoslovenska Akademie Ved
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ceskoslovenska Akademie Ved filed Critical Ceskoslovenska Akademie Ved
Publication of DK116168B publication Critical patent/DK116168B/da

Links

Classifications

    • 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
    • B24B13/0025—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor for contact 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
    • G02C7/04—Contact lenses for the eyes

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Eyeglasses (AREA)
DK78567AA 1966-02-22 1967-02-14 Fremgangsmåde til slibning og polering af kontaktlinser fremstillet ved polymerisationsstøbning af en hydrofil monomerblanding. DK116168B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS117066 1966-02-22

Publications (1)

Publication Number Publication Date
DK116168B true DK116168B (da) 1969-12-15

Family

ID=5345388

Family Applications (1)

Application Number Title Priority Date Filing Date
DK78567AA DK116168B (da) 1966-02-22 1967-02-14 Fremgangsmåde til slibning og polering af kontaktlinser fremstillet ved polymerisationsstøbning af en hydrofil monomerblanding.

Country Status (10)

Country Link
US (1) US3542907A (ko)
AT (1) AT267907B (ko)
BE (1) BE694078A (ko)
DE (1) DE1704530B2 (ko)
DK (1) DK116168B (ko)
ES (1) ES337101A1 (ko)
FR (1) FR1516294A (ko)
GB (1) GB1174683A (ko)
NL (1) NL143845B (ko)
SE (1) SE309110B (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3822089A (en) * 1968-09-25 1974-07-02 Akademie Ved Contact lens blank or replica made from anhydrous, sparingly cross-linked hydrophilic copolymers
GB1362380A (en) * 1971-11-25 1974-08-07 Mullard Ltd Manufacture of optical elements
US4042652A (en) * 1974-03-28 1977-08-16 Agfa-Gevaert, A.G. Method for the production of silicone elastomer-containing articles
US4322139A (en) * 1978-06-21 1982-03-30 Spofa, Spojene Podniky Pro Zdravotnickou Vyrobu Hydrophilic-gel contact lenses adapted into a planarized xerogel state and method for making the same
US4212836A (en) * 1978-09-05 1980-07-15 Corning Glass Works Method of forming thin thermoplastic elements of complex curvature
CA1184367A (en) * 1981-06-22 1985-03-26 Novartis Ag Process for producing shaped articles having improved surfaces
US4693446A (en) * 1985-09-20 1987-09-15 Techna Vision, Inc. Gasket for molding plastic lenses
WO2006055707A2 (en) * 2004-11-18 2006-05-26 Ocularis Pharma, Inc. Composition and method for modifying contact lens shape

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124623A (en) * 1964-03-10 method of shaping crystal blanks
US2342378A (en) * 1940-08-27 1944-02-22 Univis Lens Co Method of molding
US2302918A (en) * 1940-09-12 1942-11-24 Univis Lens Co Method of molding blanks of predetermined mass
US2664025A (en) * 1949-10-06 1953-12-29 American Optical Corp Contact lenses and method of making same
US3221083A (en) * 1960-08-18 1965-11-30 American Optical Corp Optical elements formed of resinous materials and process for making the same
US3064401A (en) * 1960-09-02 1962-11-20 Bausch & Lomb Method of making aspheric optical elements
US3248460A (en) * 1963-02-28 1966-04-26 Bausch & Lomb Method of making lenses
US3297422A (en) * 1963-04-05 1967-01-10 Unvivis Inc Method of making molds for multifocal ophthalmic lenses
US3263005A (en) * 1963-04-17 1966-07-26 Harold C Emerick Process for producing contact lenses and other optical aids
DE1495381B2 (de) * 1963-09-07 1971-06-24 Czeskoslovenska akademie ved , Prag Verfahren zur herstellung von kontaktlinsen oder kontakt linsenrohlingen aus quellfaehigen hydrogelen

Also Published As

Publication number Publication date
FR1516294A (fr) 1968-03-08
NL143845B (nl) 1974-11-15
GB1174683A (en) 1969-12-17
SE309110B (ko) 1969-03-10
US3542907A (en) 1970-11-24
DE1704530B2 (de) 1977-01-27
AT267907B (de) 1969-01-27
NL6702367A (ko) 1967-08-23
BE694078A (ko) 1967-07-17
DE1704530A1 (de) 1971-05-19
ES337101A1 (es) 1968-01-16

Similar Documents

Publication Publication Date Title
DK115284B (da) Fremgangsmåde til fremstilling af hydrogelkontaktlinser med asfæriske flader.
DK105436C (da) Fremgangsmåde til fremstilling af kontaktlinser.
DK118920B (da) Fremgangsmåde til fremstilling af en blokkopolymer.
DK115795B (da) Apparat til modtagning af modulerede optiske bølger.
DK116168B (da) Fremgangsmåde til slibning og polering af kontaktlinser fremstillet ved polymerisationsstøbning af en hydrofil monomerblanding.
GB1367846A (en) Low refractive index contact lenses
DK117025B (da) Fremgangsmåde til fremstilling af biaxialt orienterede folier af en copolymer af mindst én alkenisk α,β-umættet nitrilmonomer og en polyalkenylmonomer.
DK103507C (da) Fremgangsmåde til optisk klaring af syntetiske materialer og middel til anvendelse ved fremgangsmåden.
IL33075A0 (en) Copolymers of vinyl alcohol and nitrogen-containing vinyl monomers,process for the preparation thereof and anion-exchange membranes composed thereof
CA653696A (en) Block polymerization in the presence of active polymers
DK130244B (da) Apparat til brug ved fremstilling af planglas.
FR1484368A (fr) Dispositif de servo-commande notamment pour vannes
AU3137563A (en) Polymerization of styrene-type monomers
FR1325740A (fr) Dispositif de centrage utilisable notamment pour le centrage d'éléments de soutènement
CA727192A (en) Initiators for the polymerization of formaldehyde
CA699194A (en) Process for the polymerization of fluorinated monomers
DK96437C (da) Fremgangsmåde til polymerisation af pyrrolidon.
DK96534C (da) Fremgangsmåde til polymerisation af pyrrolidon.
AU417800B2 (en) Cast polymerization process
CA733174A (en) Process for the polymerisation of monomeric formaldehyde
DK97665C (da) Fremgangsmåde til polymerisation af 2-pyrrolidon samt polymeriserbar blanding til anvendelse herved.
DK99998C (da) Fremgangsmåde til polymerisation af 2-pyrrolidon samt polymeriserbar blanding til anvendelse herved.
DK96204C (da) Fremgangsmåde til polymerisation af 2-pyrrolidon samt polymeriserbar blanding til anvendelse herved.
CA768231A (en) Method of polymerization of formaldehyde in solution
CA600318A (en) Apparatus for polymerization of monomers