February 1974
Volume 13, Issue 2
Free
Articles  |   February 1974
Digital Photogrammetry of the Optic Nervehead
MICHAEL S. KOTTLER; A. RALPH ROSENTHAL; DAVID G. FALCONER
Author Affiliations
  • MICHAEL S. KOTTLER
    Division of Ophthalmology, Stanford University Medical Center, Stanford, Calif. 94305, and the Electronics and Bioengineering Laboratory, Stanford Research Institute, Menlo Park, Calif. 94025
  • A. RALPH ROSENTHAL
    Division of Ophthalmology, Stanford University Medical Center, Stanford, Calif. 94305, and the Electronics and Bioengineering Laboratory, Stanford Research Institute, Menlo Park, Calif. 94025
  • DAVID G. FALCONER
    Division of Ophthalmology, Stanford University Medical Center, Stanford, Calif. 94305, and the Electronics and Bioengineering Laboratory, Stanford Research Institute, Menlo Park, Calif. 94025
Investigative Ophthalmology & Visual Science February 1974, Vol.13, 116-120. doi:
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      MICHAEL S. KOTTLER, A. RALPH ROSENTHAL, DAVID G. FALCONER; Digital Photogrammetry of the Optic Nervehead. Invest. Ophthalmol. Vis. Sci. 1974;13(2):116-120.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

A digital photogrammetric procedure for quantitatively analyzing optic-cup topography has been developed and evaluated. Stereopairs taken with the Zeiss Fundus Camera and the Allen Stereoseparator have been digitized and processed with a general purpose digital computer. A depth sensitivity of 184 ยต has been obtained. The following parameters were analyzed for reproducibility: cut depth, cup width, profile area, and cup volume. Photographic error was found to be 7 to 20 times greater than photogrammetric error.

Copyright 1974 The Association for Research in Vision and Ophthalmology, Inc.
Copyright © 2024 Association for Research in Vision and Ophthalmology.
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