GB782546A - Photographic retinal camera - Google Patents

Photographic retinal camera

Info

Publication number
GB782546A
GB782546A GB25089/55A GB2508955A GB782546A GB 782546 A GB782546 A GB 782546A GB 25089/55 A GB25089/55 A GB 25089/55A GB 2508955 A GB2508955 A GB 2508955A GB 782546 A GB782546 A GB 782546A
Authority
GB
United Kingdom
Prior art keywords
image
photographic
zeiss
sept
lens
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
GB25089/55A
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.)
Carl Zeiss AG
Original Assignee
Carl Zeiss AG
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 Carl Zeiss AG filed Critical Carl Zeiss AG
Publication of GB782546A publication Critical patent/GB782546A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • A61B3/14—Arrangements specially adapted for eye photography

Abstract

782,546. Opthalmic photography. ZEISS-STIFTUNG, C. [trading as ZEISS, C. [Firm of]]. Sept. 1, 1955 [Sept. 2, 1954 ], No. 25089/55. Class 97(1) In a camera for photographing the retina a photographic optical system producing a final image on a light-sensitive surface is telecentric on the side of the latter image. The final images 6, 6<SP>1</SP> are produced by lens 5 having its principal focus f coincident with the image of the eye-pupil produced by the lens 3. Retinal objects 2, 2<SP>1</SP> in emmetropic and myopic eyes, respectively, thus give rise to final images 6, 6<SP>1</SP> which are the same size.
GB25089/55A 1954-09-02 1955-09-01 Photographic retinal camera Expired GB782546A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE339397X 1954-09-02

Publications (1)

Publication Number Publication Date
GB782546A true GB782546A (en) 1957-09-11

Family

ID=6223590

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25089/55A Expired GB782546A (en) 1954-09-02 1955-09-01 Photographic retinal camera

Country Status (3)

Country Link
CH (1) CH339397A (en)
FR (1) FR1130383A (en)
GB (1) GB782546A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3089398A (en) * 1959-07-21 1963-05-14 Zeiss Carl Ophthalmic cameras
US6451202B1 (en) 1999-06-21 2002-09-17 Access Business Group International Llc Point-of-use water treatment system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3089398A (en) * 1959-07-21 1963-05-14 Zeiss Carl Ophthalmic cameras
US6451202B1 (en) 1999-06-21 2002-09-17 Access Business Group International Llc Point-of-use water treatment system
US6491868B2 (en) 1999-06-21 2002-12-10 Access Business Group International Llc Point-of-use water treatment system
US6514420B2 (en) 1999-06-21 2003-02-04 Access Business Group International Llc Point-of use water treatment system
US6793817B2 (en) 1999-06-21 2004-09-21 Access Business Group International Llc Lamp assembly for point-of-use water treatment system
US7252763B2 (en) 1999-06-21 2007-08-07 Access Business Group Interational Llc Point-of-use water treatment system

Also Published As

Publication number Publication date
FR1130383A (en) 1957-02-05
CH339397A (en) 1959-06-30

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