JPH0213504U - - Google Patents

Info

Publication number
JPH0213504U
JPH0213504U JP1989080159U JP8015989U JPH0213504U JP H0213504 U JPH0213504 U JP H0213504U JP 1989080159 U JP1989080159 U JP 1989080159U JP 8015989 U JP8015989 U JP 8015989U JP H0213504 U JPH0213504 U JP H0213504U
Authority
JP
Japan
Prior art keywords
diffuser plate
slit lamp
lamp device
light emitting
light beam
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.)
Granted
Application number
JP1989080159U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0612731Y2 (ja
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 filed Critical
Publication of JPH0213504U publication Critical patent/JPH0213504U/ja
Application granted granted Critical
Publication of JPH0612731Y2 publication Critical patent/JPH0612731Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/13—Ophthalmic microscopes
    • A61B3/135—Slit-lamp microscopes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0257—Diffusing elements; Afocal elements characterised by the diffusing properties creating an anisotropic diffusion characteristic, i.e. distributing output differently in two perpendicular axes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Ophthalmology & Optometry (AREA)
  • Biophysics (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Eye Examination Apparatus (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
JP1989080159U 1988-07-09 1989-07-10 スリットランプ装置の照明光線を散乱させる装置 Expired - Lifetime JPH0612731Y2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8808871U DE8808871U1 (de) 1988-07-09 1988-07-09 Diffusionsplättchen für Spaltlampengeräte
DE8808871.5 1988-07-09

Publications (2)

Publication Number Publication Date
JPH0213504U true JPH0213504U (US06312121-20011106-C00033.png) 1990-01-29
JPH0612731Y2 JPH0612731Y2 (ja) 1994-04-06

Family

ID=6825857

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989080159U Expired - Lifetime JPH0612731Y2 (ja) 1988-07-09 1989-07-10 スリットランプ装置の照明光線を散乱させる装置

Country Status (6)

Country Link
US (1) US4936673A (US06312121-20011106-C00033.png)
JP (1) JPH0612731Y2 (US06312121-20011106-C00033.png)
AT (1) AT397341B (US06312121-20011106-C00033.png)
CA (1) CA1314032C (US06312121-20011106-C00033.png)
DE (1) DE8808871U1 (US06312121-20011106-C00033.png)
NL (1) NL8901479A (US06312121-20011106-C00033.png)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10108254A1 (de) 2001-02-21 2002-08-22 Leica Microsystems Optische Betrachtungseinrichtung mit Vorrichtung zur partiellen Reduktion der Intensität der Beleuchtung
ES2281301B1 (es) 2006-10-16 2008-07-16 Universidad Complutense De Madrid Dispositivo de iluminacion con filtro terapeutico y profilactico para ojos sanos, pseudo-afaquicos y/o en proceso de neurodegeneracion.
US7832903B2 (en) * 2006-11-07 2010-11-16 Universidad Complutense De Madrid Illumination system fitted with a therapeutic/prophylactic filter for healthy eyes, pseudoaphakic eyes or eyes suffering neurodegeneration
US7914177B2 (en) 2006-11-07 2011-03-29 Universidad Complutense De Madrid Prophylaxic/therapeutic vehicle filter component for healthy eyes, pseudoaphakic eyes or eyes suffering neurodegeneration
ES2289957B1 (es) 2007-02-07 2008-12-01 Universidad Complutense De Madrid Fuente de iluminacion con emision reducida de longitudes de onda corta para la proteccion de ojos.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944343A (en) * 1974-08-16 1976-03-16 Codman & Shurtleff, Inc. Light inclining accessory for slit lamp

Also Published As

Publication number Publication date
DE8808871U1 (de) 1988-09-01
US4936673A (en) 1990-06-26
CA1314032C (en) 1993-03-02
JPH0612731Y2 (ja) 1994-04-06
AT397341B (de) 1994-03-25
ATA135289A (de) 1993-08-15
NL8901479A (nl) 1990-02-01

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term