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Related Experiment Videos

Standards and technology.

G A Fry

    Journal of the American Optometric Association
    |May 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Revising the ophthalmic lens standard highlights the need for technological advancements. Key areas include lens edging, center control, power measurement, computer-aided design, and shape standardization for better optical performance.

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    Area of Science:

    • Ophthalmic optics
    • Optical engineering
    • Standards development

    Background:

    • Technological progress is intrinsically linked to evolving industry standards.
    • The 1972 ANSI Z80.1 Standard for Ophthalmic Lenses requires revision to reflect current capabilities.

    Purpose of the Study:

    • To identify areas for technological improvement through the revision of the ophthalmic lens standard.
    • To address new developments in lens design and manufacturing.

    Main Methods:

    • Analysis of the state of the art in ophthalmic lens technology.
    • Review of existing standards in relation to technological advancements.
    • Focus on specific areas: edger settings, lens perimeter, center control, power/axis measurement, computer-generated lens design, and shape standardization.

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    Main Results:

    • Identified needs for improved technology in lens edging and perimeter utilization.
    • Highlighted the importance of accurate control of lens centers.
    • Recognized advancements in measuring lens power, axis, and peripheral aberrations.
    • Acknowledged the role of computers in lens design and Manufacturing (MRP) location.
    • Emphasized the need for standardized lens shapes.

    Conclusions:

    • The revision process for the ANSI Z80.1 Standard necessitates technological updates.
    • Advancements in computing and measurement techniques are crucial for future ophthalmic lens standards.