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Simplified photogrammetry of the optic disc

K E Schirmer

    Archives of Ophthalmology (Chicago, Ill. : 1960)
    |November 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a simplified photogrammetry method for optic disc evaluation using fundus photography. It enables precise measurement of changes in the optic disc

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    Area of Science:

    • Ophthalmology
    • Medical Imaging
    • Biophotonics

    Background:

    • Accurate assessment of optic disc morphology is crucial for diagnosing and monitoring various eye conditions, including glaucoma.
    • Traditional methods for optic disc evaluation can be complex and time-consuming.
    • The need for simplified, quantitative methods for optic disc analysis is significant in clinical practice.

    Purpose of the Study:

    • To present a simplified photogrammetry technique for optic disc assessment.
    • To establish a time-based method for detecting optic disc changes.
    • To introduce a telemetric device for quantifying three-dimensional changes from stereophotographs.

    Main Methods:

    • Utilized axis-correct fundus photography as the basis for optic disc photogrammetry.

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  • Implemented a time-based photogrammetry approach to detect the presence or absence of optic disc changes.
  • Employed a telemetric device to measure the degree of change in the third dimension from stereoscopic fundus images.

    • Main Results:

    • Demonstrated that simplified photogrammetry, contingent on axis-correct fundus photography, is feasible.
    • The time-based method effectively identifies optic disc changes over time.
    • The telemetric device accurately quantifies the three-dimensional extent of optic disc alterations.

    Conclusions:

    • Simplified photogrammetry offers a practical approach to optic disc evaluation.
    • This method facilitates objective monitoring of optic disc status.
    • The technique holds potential for improved diagnosis and management of optic nerve-related diseases.