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DE871076C - Eye glasses, especially star lenses for eyes without accommodation - Google Patents

Eye glasses, especially star lenses for eyes without accommodation

Info

Publication number
DE871076C
DE871076C DESCH754A DESC000754A DE871076C DE 871076 C DE871076 C DE 871076C DE SCH754 A DESCH754 A DE SCH754A DE SC000754 A DESC000754 A DE SC000754A DE 871076 C DE871076 C DE 871076C
Authority
DE
Germany
Prior art keywords
lenses
eyes
accommodation
eye glasses
eye
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
Application number
DESCH754A
Other languages
German (de)
Inventor
Otto Schwarz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DESCH754A priority Critical patent/DE871076C/en
Application granted granted Critical
Publication of DE871076C publication Critical patent/DE871076C/en
Expired legal-status Critical Current

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
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Description

Augenglas, insbesondere Star-Augenlinse für akkommodationslos-e Augen Multifokale Brillengläser oder Linsen wurden bisher in der Weise hergestellt, daß man Glas:tenle oder Linsen verschiedener Brechkraft zusammensetzte. Das Zusammensetzen erfolgte durch Zusammenschmelzen, Aufkitten, Einschleifen od. dgl. Sämtlichen multifolc-alen Brillen gläsern haftet der Übelstand an, da.ß die Trennungslinien deutlich wahrnehmbar waren und sich daher auf das Auge störend bemerkbar machten.Eye glasses, especially star eye lenses for eyes without accommodation Multifocal glasses or lenses have been manufactured in such a way that one put together glass: tenle or lenses of different refractive power. The assembling took place by melting together, cementing, grinding in or the like. All multifolc-alen Spectacles have the disadvantage that the dividing lines are clearly perceptible and were therefore noticeable to the eye.

Diese ÜbeIst:ände zu. beseitigen., bezweckt die Erfindung: Eine erfindungsgemäß ausgebildete Augenlinse hat z. B. auf der sammelnden Fläche in einem endlichen Bereich um die optische. Achse eine Kugelfläche. mit konstantem Radius. Nach dem Rand zu wird der Krümmun.gsra:dius dagegen ständig größer. Ein solches Augenglas ermöglicht dem akkommodabionslosen Auge, von der Leseentfernung 25 bis 3o cm bis auf 4 bis 5 m Gegenstände deutlich ohne Astigmatismus zu erkennen.. Diese Linse hat ferner einen 5oo/oige:n Helligkeitsgewinn und einen Blickwinkel bis zum Rand von 18o°. Außerdem ist sie etwa um die Hälfte leichter als eine gewöhnliche Starlinse.This practice: would change. Eliminate., the invention aims: One according to the invention trained eye lens has z. B. on the collecting surface in a finite area to the optical. Axis a spherical surface. with constant radius. Towards the edge on the other hand, the curvature line is constantly increasing. Such an eyeglass makes it possible the accommodationless eye, from a reading distance of 25 to 30 cm to 4 to 5 m objects can be seen clearly without astigmatism. This lens also has a 5oo / oige: n gain in brightness and a viewing angle up to the edge of 18o °. In addition, it is about half the weight of an ordinary star lens.

Claims (1)

PATENTANSPRUCH: Augenglas, insbesondere Star-Augenlinse für akkommodations,lose Augen, dadurch ge#kennzeichmet., da,ß die Birechkraft in einem endlichen Bereich um die optische Achse konstant ist und von diesem Wert im übrigen Teil nach dem Rand zu stetig abnimmt. Angezogene Druckschriften: Deutsche Patentschrift Nr. 352 758; USA@-Patentschrift Nr. 2 109 474.PATENT CLAIM: Eye glasses, especially star eye lenses for accommodative, loose eyes, characterized by the fact that the Birechkraft is constant in a finite area around the optical axis and from this value decreases steadily in the remaining part towards the edge. Cited publications: German Patent No. 352 758; USA @ -Patentschrift no. 2,109,474.
DESCH754A 1949-12-20 1949-12-20 Eye glasses, especially star lenses for eyes without accommodation Expired DE871076C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DESCH754A DE871076C (en) 1949-12-20 1949-12-20 Eye glasses, especially star lenses for eyes without accommodation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESCH754A DE871076C (en) 1949-12-20 1949-12-20 Eye glasses, especially star lenses for eyes without accommodation

Publications (1)

Publication Number Publication Date
DE871076C true DE871076C (en) 1953-03-19

Family

ID=7422546

Family Applications (1)

Application Number Title Priority Date Filing Date
DESCH754A Expired DE871076C (en) 1949-12-20 1949-12-20 Eye glasses, especially star lenses for eyes without accommodation

Country Status (1)

Country Link
DE (1) DE871076C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1158281B (en) * 1961-08-03 1963-11-28 Wilhelm Peter Soehnges Corneal contact lens
DE1422125B1 (en) * 1954-10-04 1969-09-04 Akademie D Wissenschaften Zu B Spectacle lenses with different diopters in the far and near range
DE2941733A1 (en) * 1978-10-16 1980-04-24 American Optical Corp EYEWEAR GLASS, IN PARTICULAR FOR EYEWEAR GOGGLES OR STRONG PEOPLE

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE352758C (en) * 1920-09-16 1922-05-02 Otto Schwarz Line sanding template for making a sanding bowl
US2109474A (en) * 1931-12-07 1938-03-01 Evans Charles Ernest Spectacle lens

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE352758C (en) * 1920-09-16 1922-05-02 Otto Schwarz Line sanding template for making a sanding bowl
US2109474A (en) * 1931-12-07 1938-03-01 Evans Charles Ernest Spectacle lens

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1422125B1 (en) * 1954-10-04 1969-09-04 Akademie D Wissenschaften Zu B Spectacle lenses with different diopters in the far and near range
DE1158281B (en) * 1961-08-03 1963-11-28 Wilhelm Peter Soehnges Corneal contact lens
DE2941733A1 (en) * 1978-10-16 1980-04-24 American Optical Corp EYEWEAR GLASS, IN PARTICULAR FOR EYEWEAR GOGGLES OR STRONG PEOPLE

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