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WO1999053361A1 - Lunettes bifocales - Google Patents

Lunettes bifocales Download PDF

Info

Publication number
WO1999053361A1
WO1999053361A1 PCT/EP1998/002975 EP9802975W WO9953361A1 WO 1999053361 A1 WO1999053361 A1 WO 1999053361A1 EP 9802975 W EP9802975 W EP 9802975W WO 9953361 A1 WO9953361 A1 WO 9953361A1
Authority
WO
WIPO (PCT)
Prior art keywords
glasses
bifocal glasses
laterally offset
bifocal
parts
Prior art date
Application number
PCT/EP1998/002975
Other languages
German (de)
English (en)
Inventor
Peter Kössler
Original Assignee
Koessler Peter
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
Priority claimed from DE29807318U external-priority patent/DE29807318U1/de
Application filed by Koessler Peter filed Critical Koessler Peter
Priority to DE19882400T priority Critical patent/DE19882400D2/de
Priority to AU80191/98A priority patent/AU8019198A/en
Publication of WO1999053361A1 publication Critical patent/WO1999053361A1/fr

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

Definitions

  • the invention or innovation relates to bifocal glasses with at least one in e.g. arranged near and a far part - or area of their glasses and a measuring device for determining the glasses centering data.
  • the view down to the feet or beyond the close-range distance must be guaranteed, but on the other hand, the visually sharp use of the close-up range of the glasses must be possible without having to change the glasses
  • the object of the invention or innovation is to provide bifocal glasses with which the aforementioned disadvantages can be overcome in the simplest way.
  • the invention consists in bifocal glasses of the aforementioned type, which has at least one spectacle lens, a near part which is laterally offset from the main axis by more than the normal deviation resulting from the near and far vision, and the long range accordingly is expanded.
  • the use of the near part by the spectacle wearer is no longer carried out by raising or lowering the viewing direction, but by slightly changing the viewing direction to the side.
  • the glasses can depend on which side of the glasses from the activity of the glasses wearer is mainly needed for long-distance use, individually manufactured or selected. For golf, for example, the glasses have to go with the left in the direction of view for the long range.
  • a close-up part can be provided for each spectacle lens, with both close-up parts on different sides laterally outwards, i.e. can be offset laterally outwards in opposite directions. This means that near-vision areas can be used on both the left and right-hand sides.
  • the near part or the near parts are both offset laterally to the main axis and are arranged with the optical center at the level of the horizontal center line of the spectacle lens or above.
  • An additional field of view can result from the fact that the main visual axis of the distant part opposite to the displacement of the near part is laterally offset.
  • the area of the glasses which may be restricted due to the lateral offset of the close-up area, can be changed by a non-round, e.g. elliptical or polygonal shape of the area of the close range can be compensated.
  • the close-up area in two partial areas to the left and right of the straight main view direction, whereby not only the close areas on both sides of the main view direction can be used, e.g. left and right of a workplace, but also with different close-ups - different on the right side than on the left side.
  • Such a measuring device can be characterized by a frame with a nose rest, which can be attached close to and parallel to the face plane of a spectacle wearer in its field of vision, and which has on its upper and lower horizontal frame part two elements that can be displaced horizontally on guides at least to a limited extent over the field of view , each of which an opposing pair is tightly connected by an elastic thread element and which has on its lateral vertical frame parts on guides at least above the range of the field of view vertically displaceable elements, between which an elastic thread element is attached tightly, the front of a mirror or can be aligned by means of a helper of the crosshairs to the center of the respectively assigned pupil and this position of the guide elements on movable elements on the frame can be determined or read and the Centering data in relation to the nose pad for the manufacture of glasses are interchangeable.
  • the invention or innovation is shown below using several exemplary embodiments with reference to drawings.
  • Fig. 1 glasses according to the invention or innovation schematically from the front.
  • Fig. 2 glasses according to Fig. 1 schematically in plan view.
  • FIG. 4 shows a schematic end view of the device according to FIG. 3.
  • 1 and 2 have two spectacle glasses held by a temple and two temples, each with a near part and a far part, the near parts being offset laterally downwards in the same direction with respect to the main axis of the spectacle lens.
  • Two nose pads are schematically provided on the bracket.
  • the near parts shown in FIG. 1 are adapted in this regard on the one hand and are additionally offset in the opposite direction.
  • the optical axes of the far part can be displaced away from their central arrangement or normal main axis in the opposite direction to offset the optical axis of the near part.
  • the sewing parts can also be arranged displaced to each edge area side as required.
  • the measuring device 15 shown in FIGS. 3 and 4 has a preferably rectangular frame 17 with a nose pad 16, which can be attached close to and parallel to the face plane of a spectacle wearer in his field of view 19, and which has two in each case on its upper and lower horizontal frame part 20 at least limited over the field of view on guides 21 has horizontally displaceable elements 23 and 24, each of which an opposing pair is tightly connected to one another by an elastic thread element 25, and on its lateral vertical frame parts 26 on guides 27 at least above the area of the field of view has vertically displaceable elements 28, between which an elastic thread element 29 is tightly attached, which in front of a mirror or by means of a helper from the thread elements 25, 29 crosshairs 30 can be aligned to the center of the respectively assigned pupil 31 and this position of the guide elements on displaceable elements on the frame 17 can be determined or read and the centering data in relation to the nose pad 16 for the manufacture of glasses are evaluable.

Landscapes

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

Abstract

L'invention concerne des lunettes bifocales comportant au moins une partie/zone de vision rapprochée et de vision éloignée, dans la partie inférieure des verres. Dans au moins un verre (2, 3), ces lunettes présentent une partie de vision rapprochée (4), décalée latéralement par rapport à l'axe principal (6) de plus de l'écart normal résultant de la position des yeux en vision rapprochée et en vision éloignée. La zone de vision éloignée est étendue en conséquence.
PCT/EP1998/002975 1998-04-08 1998-05-20 Lunettes bifocales WO1999053361A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19882400T DE19882400D2 (de) 1998-04-08 1998-05-20 Bifocal-Brille
AU80191/98A AU8019198A (en) 1998-04-08 1998-05-20 Bifocal glasses

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE29806506 1998-04-08
DE29806506.1 1998-04-08
DE29807318.8 1998-04-22
DE29807318U DE29807318U1 (de) 1998-04-08 1998-04-22 Bifocal-Brille

Publications (1)

Publication Number Publication Date
WO1999053361A1 true WO1999053361A1 (fr) 1999-10-21

Family

ID=26061403

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1998/002975 WO1999053361A1 (fr) 1998-04-08 1998-05-20 Lunettes bifocales

Country Status (3)

Country Link
AU (1) AU8019198A (fr)
DE (1) DE19882400D2 (fr)
WO (1) WO1999053361A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2045399A (en) * 1935-01-15 1936-06-23 Hew B Mcmurdo Glasses
US4160330A (en) * 1978-02-24 1979-07-10 American Optical Corporation Apparatus and method for making ophthalmic measurements
EP0185997A1 (fr) * 1984-12-22 1986-07-02 Reinhard Wehmeier Appareil de démonstration pour indiquer les grandeurs des verres nécessaires pour des lunettes
DE3616129A1 (de) * 1986-05-14 1987-11-19 Takeshi Ishida Brille
EP0307876A2 (fr) * 1987-09-14 1989-03-22 Opticorp Inc. Lentilles ophtalmiques
US5355182A (en) * 1991-04-15 1994-10-11 Newtel S.R.L. Golfing spectacles
DE19516745A1 (de) * 1995-05-06 1996-11-07 Friedrich Rumohr Verfahren zum Herstellen von optischen Sehhilfen für Golfspieler mit Sehproblemen und Vorrichtung zum Durchführen des Verfahrens

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2045399A (en) * 1935-01-15 1936-06-23 Hew B Mcmurdo Glasses
US4160330A (en) * 1978-02-24 1979-07-10 American Optical Corporation Apparatus and method for making ophthalmic measurements
EP0185997A1 (fr) * 1984-12-22 1986-07-02 Reinhard Wehmeier Appareil de démonstration pour indiquer les grandeurs des verres nécessaires pour des lunettes
DE3616129A1 (de) * 1986-05-14 1987-11-19 Takeshi Ishida Brille
EP0307876A2 (fr) * 1987-09-14 1989-03-22 Opticorp Inc. Lentilles ophtalmiques
US5355182A (en) * 1991-04-15 1994-10-11 Newtel S.R.L. Golfing spectacles
DE19516745A1 (de) * 1995-05-06 1996-11-07 Friedrich Rumohr Verfahren zum Herstellen von optischen Sehhilfen für Golfspieler mit Sehproblemen und Vorrichtung zum Durchführen des Verfahrens

Also Published As

Publication number Publication date
AU8019198A (en) 1999-11-01
DE19882400D2 (de) 2002-03-14

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