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EP1279061A2 - Verre de lunette progressif a faible variation des proprietes binoculaires lors du mouvement des yeux - Google Patents

Verre de lunette progressif a faible variation des proprietes binoculaires lors du mouvement des yeux

Info

Publication number
EP1279061A2
EP1279061A2 EP01940197A EP01940197A EP1279061A2 EP 1279061 A2 EP1279061 A2 EP 1279061A2 EP 01940197 A EP01940197 A EP 01940197A EP 01940197 A EP01940197 A EP 01940197A EP 1279061 A2 EP1279061 A2 EP 1279061A2
Authority
EP
European Patent Office
Prior art keywords
difference
spectacle lens
movement
minimum
maximum
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.)
Ceased
Application number
EP01940197A
Other languages
German (de)
English (en)
Inventor
Andrea Welk
Peter Baumbach
Walter Haimerl
Herbert Pfeiffer
Gregor Esser
Helmut Altheimer
Rainer Dorsch
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.)
Rodenstock GmbH
Original Assignee
Optische Werke G Rodenstock
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 Optische Werke G Rodenstock filed Critical Optische Werke G Rodenstock
Publication of EP1279061A2 publication Critical patent/EP1279061A2/fr
Ceased 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
    • G02C7/061—Spectacle lenses with progressively varying focal power
    • G02C7/063—Shape of the progressive surface
    • G02C7/065—Properties on the principal line
    • 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
    • G02C7/061—Spectacle lenses with progressively varying focal power
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
    • G02C2202/22—Correction of higher order and chromatic aberrations, wave front measurement and calculation

Definitions

  • the invention relates to a progressive spectacle lens with little change of the binocular performance 'at a glance movement according to the preamble of claim 1.
  • Progressive spectacle lenses are usually understood to mean spectacle lenses which, in the area through which the spectacle wearer looks at an object located at a greater distance - i.f. referred to as the far part - have a different (lower) refractive power than in the area (near part) through which the spectacle wearer looks at a near object.
  • the so-called progression zone is arranged between the far part and the near part, in which the effect of the spectacle lens increases continuously from that of the far part to that of the near part.
  • the value of the increase in impact is also referred to as addition.
  • the distant part is arranged in the upper part of the spectacle lens and is designed for gazing "to infinity", while the near part is arranged in the lower region and is especially designed for reading.
  • - pilot glasses or glasses for VDU places - the long-distance and the near part can also be arranged differently and / or be designed for other distances. It is also possible that there are several near parts and / or several distant parts and corresponding progression zones.
  • the increase in the refractive power between the far part and the near part requires that the curvature of one or both surfaces changes continuously from the far part to the near part.
  • the main curvature radii together with the refractive index n of the glass material determine the sizes that are often used for the optical characterization of a surface:
  • Refractive index D 0.5 * (n-1) * (1 / Rl + 1 / R2)
  • Area astigmatism A (n-1) * (1 / Rl - 1 / R2)
  • the surface refractive index D is the size over which the increase in the effect from the far part to the near part is achieved.
  • the area astigmatism A (clearly cylindrical effect) is a "disturbing property", since an astigmatism - unless the eye itself has an astigmatism to be corrected - that exceeds a value of approx. 0.5 dpt, leads to an image on the retina that is perceived as out of focus.
  • the spectacle lens has different nasal and temporal properties at corresponding viewing points. This can impair binocular vision in particular. This is particularly noticeable when looking at the eye and is therefore annoying:
  • the invention has for its object to develop a progressive spectacle lens according to the preamble of claim 1 such that the optical quantities relevant to the quality of the binocular visual impression change as little as possible during eye movements.
  • the binocular properties relevant to the solutions to the problem are the astigmatic difference, the refractive equilibrium and the vertical prism difference.
  • the astigmatic deviation and the refraction error of the wavefront through the left lens are combined with the values of the right lens and thus result in the sizes of the astigmatic difference (according to the method of crossed cylinders) and refraction equilibrium (absolute amount of the difference in the mean effect of the lenses).
  • the vertical prism difference is obtained by projecting the main rays on the eye side into the Cyclops eye plane and expressing the angle between the straight lines in cm / m.
  • Fig. 2 shows a comparison of the stroke of the refraction equilibrium (dpt) with horizontal eye movement
  • Fig .3 shows a comparison of the stroke of the vertical
  • the coordinate system used has its origin in the apex of the lens on the object side, and the z axis points in the direction of light.
  • the abscissa values are the arithmetic mean of the x coordinates of the first and last penetration point of the main rays through the front surface of the glass.
  • the ordinate values represent the strokes during the individual movements described.
  • the stroke of the refraction equilibrium (difference in the mean effect of the lenses) is also significantly smaller in the entire horizontal section than in the competition. Nowhere does it exceed 0.06 dpt.
  • the smaller change in the stroke of the vertical prism difference imaging properties is clearly shown in the subject of this invention, which does not exceed a value of .02 cm / m up to an x-coordinate of ⁇ 10 mm.
  • the progressive spectacle lens according to the invention is thus characterized in that the change in the binocular imaging properties during horizontal eye movements is as small as possible and the associated binocular visual comfort is great.
  • the progressive spectacle lens according to the invention can be calculated in particular in the so-called use position; a (concrete) usage situation is defined for this. This refers either to a specific user, for whom the individual parameters in the respective usage situation are determined and the progressive area is calculated and manufactured separately, or to average values as described in DIN 58 208 Part 2.

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 un verre de lunette comportant : une zone conçue pour la vision à des distances importantes et notamment « vers l'infini » (zone de vision de loin) ; une zone conçue pour la vision à des distances plus faibles et notamment pour la lecture (zone de vision de près) ; et une zone progressive, située entre la zone de vision de loin et la zone de vision de près, dans laquelle l'effet du verre de lunette augmente pour passer de la valeur dans le point de référence éloigné, situé dans la zone de vision de loin, à la valeur du point de référence proche, situé dans la zone de vision de près, le long d'une courbe (ligne principale) courbée en direction du nez. L'invention est caractérisée, entre autres, en ce que, pour minimiser la variation des propriétés de représentation binoculaires lors de mouvements horizontaux des yeux, l'écart (différence entre la valeur maximale et minimale obtenue lors du mouvement) des propriétés de représentation binoculaires, lorsqu'un objet en mouvement est suivi par les yeux, est inférieur à une valeur limite préallouée physiologiquement.
EP01940197A 2000-04-27 2001-04-27 Verre de lunette progressif a faible variation des proprietes binoculaires lors du mouvement des yeux Ceased EP1279061A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10020717 2000-04-27
DE10020717 2000-04-27
PCT/DE2001/001592 WO2001084213A2 (fr) 2000-04-27 2001-04-27 Verre de lunette progressif a faible variation des proprietes binoculaires lors du mouvement des yeux

Publications (1)

Publication Number Publication Date
EP1279061A2 true EP1279061A2 (fr) 2003-01-29

Family

ID=7640148

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01940197A Ceased EP1279061A2 (fr) 2000-04-27 2001-04-27 Verre de lunette progressif a faible variation des proprietes binoculaires lors du mouvement des yeux

Country Status (6)

Country Link
US (1) US6776487B2 (fr)
EP (1) EP1279061A2 (fr)
JP (1) JP5068411B2 (fr)
AU (1) AU775951B2 (fr)
DE (1) DE10191693B4 (fr)
WO (1) WO2001084213A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2115527B1 (fr) 2007-01-25 2014-04-16 Rodenstock GmbH Procédé d'optimisation d'un verre de lunettes
DE102007062929A1 (de) 2007-12-28 2009-07-02 Rodenstock Gmbh Verfahren zur Berechnung und Optimierung eines Brillenglaspaares unter Berücksichtigung binokularer Eigenschaften
US8256895B2 (en) * 2008-02-20 2012-09-04 Swissphonics Sa Progressive multifocal ophthalmic lenses identically optimized over a wide range of refractive indices, base curves, and additions
JP2011203705A (ja) * 2010-03-01 2011-10-13 Seiko Epson Corp 眼鏡レンズ及びその設計方法
JP5140768B1 (ja) * 2012-02-20 2013-02-13 株式会社山一屋 累進多焦点レンズ、累進多焦点レンズの設計方法、累進多焦点レンズの加工方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3016935C2 (de) * 1980-05-02 1991-01-24 Fa. Carl Zeiss, 7920 Heidenheim Multifokale Brillenlinse mit gebietsweise gleitendem Brechwert
JPS60225875A (ja) * 1984-04-24 1985-11-11 ミノルタ株式会社 可変水平線シヤツタ−を有するプラネタリウム
US5048945A (en) * 1989-07-14 1991-09-17 Nikon Corporation Progressive power lens
EP0632308A1 (fr) * 1993-06-29 1995-01-04 Nikon Corporation Lentille progressive
ES2274560T3 (es) * 1998-10-16 2007-05-16 Essilor International Procedimiento para fabricar un par de lentes oftalmicas multifocales progresivas.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0184213A3 *

Also Published As

Publication number Publication date
WO2001084213A2 (fr) 2001-11-08
JP2003532156A (ja) 2003-10-28
DE10191693D2 (de) 2002-08-29
AU7386001A (en) 2001-11-12
JP5068411B2 (ja) 2012-11-07
DE10191693B4 (de) 2013-12-05
AU775951B2 (en) 2004-08-19
WO2001084213A3 (fr) 2002-04-25
US20030142266A1 (en) 2003-07-31
US6776487B2 (en) 2004-08-17

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Legal Events

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Owner name: RODENSTOCK GMBH

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: RODENSTOCK GMBH

RAP1 Party data changed (applicant data changed or rights of an application transferred)

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