AT289418B - Visual aid - Google Patents

Visual aid

Info

Publication number
AT289418B
AT289418B AT933267A AT933267A AT289418B AT 289418 B AT289418 B AT 289418B AT 933267 A AT933267 A AT 933267A AT 933267 A AT933267 A AT 933267A AT 289418 B AT289418 B AT 289418B
Authority
AT
Austria
Prior art keywords
visual aid
aid
visual
Prior art date
Application number
AT933267A
Other languages
German (de)
Original Assignee
Soehnges Optik
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 Soehnges Optik filed Critical Soehnges Optik
Application granted granted Critical
Publication of AT289418B publication Critical patent/AT289418B/en

Links

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
    • G02C7/04—Contact lenses for the eyes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
    • A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
    • A61K35/44—Vessels; Vascular smooth muscle cells; Endothelial cells; Endothelial progenitor cells
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L89/00—Compositions of proteins; Compositions of derivatives thereof
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • G02B1/043—Contact lenses
AT933267A 1966-12-13 1967-10-16 Visual aid AT289418B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0107397 1966-12-13

Publications (1)

Publication Number Publication Date
AT289418B true AT289418B (en) 1971-04-26

Family

ID=7528077

Family Applications (1)

Application Number Title Priority Date Filing Date
AT933267A AT289418B (en) 1966-12-13 1967-10-16 Visual aid

Country Status (7)

Country Link
AT (1) AT289418B (en)
BE (1) BE706305A (en)
CH (1) CH493859A (en)
DE (1) DE1617804A1 (en)
GB (1) GB1168173A (en)
LU (1) LU54685A1 (en)
NL (1) NL6714485A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011523B1 (en) * 1978-10-18 1982-07-14 ESSILOR INTERNATIONAL Compagnie Générale d'Optique Hydrogels from natural protein polymers, their production and soft contact lenses made from them
FR2617763B1 (en) * 1987-07-07 1989-12-01 Essilor Int METHOD OF MANUFACTURING CONTACT LENS IN A NATURAL PROTEIN POLYMER, BY MOLDING BEFORE CROSS-LINKING

Also Published As

Publication number Publication date
GB1168173A (en) 1969-10-22
NL6714485A (en) 1968-06-14
CH493859A (en) 1970-07-15
DE1617804A1 (en) 1972-01-05
BE706305A (en) 1968-03-18
LU54685A1 (en) 1967-12-18

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee