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[Tonometry yesterday and today].

A Bechetoille

    Bulletin Des Societes D'Ophtalmologie De France
    |August 1, 1989
    PubMed
    Summary
    This summary is machine-generated.

    Instrumental tonometry, a method for measuring intraocular pressure, faces limitations with current Goldmann tonometry. New electric deformimeter technology may enable continuous eye pressure monitoring.

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    Area of Science:

    • Ophthalmology
    • Biomedical Engineering

    Context:

    • Instrumental tonometry developed in the late 19th century, with Goldmann tonometry being a key advancement.
    • Current Goldmann tonometry faces challenges in automation and updating the evaluation of the aplanated surface.
    • Discrepancies exist between Goldmann tonometer readings and manometric intraocular pressure, particularly with abnormal corneas.

    Purpose:

    • To review the historical development and limitations of instrumental tonometry.
    • To highlight the potential of new technologies for intraocular pressure measurement.

    Summary:

    • Aplanatation tonometry, pioneered by the Imbert-Fick law and Goldmann tonometer, has limitations in automation and accuracy with abnormal corneas.
    • Evidence suggests Goldmann tonometer readings may not always reflect true intraocular pressure in the vitreous cavity.

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  • Electric deformimeter technology presents a promising avenue for developing new tonometers capable of continuous eye pressure monitoring.

    • Impact:

    • Identifies limitations in current Goldmann tonometry for accurate intraocular pressure assessment.
    • Suggests a shift towards advanced technologies for more reliable and continuous eye pressure monitoring.
    • Highlights the potential for improved diagnosis and management of glaucoma and other ocular conditions.