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Related Experiment Videos

Evaluation of ophthalmic materials

A Augsburger

    American Journal of Optometry and Physiological Optics
    |October 1, 1978
    PubMed
    Summary

    Five percent of spectacle prescription orders were unacceptable, with most issues related to lenses or human error in frames. Quality improved after laboratories were informed of the findings.

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    Area of Science:

    • Ophthalmology
    • Optometry
    • Materials Science

    Background:

    • Spectacle prescriptions are crucial for vision correction.
    • Ensuring the quality of ophthalmic materials is essential for patient outcomes.
    • Previous studies have highlighted variability in optical laboratory performance.

    Purpose of the Study:

    • To evaluate the quality of ophthalmic materials based on spectacle prescription orders.
    • To identify the types and frequency of unacceptable orders.
    • To assess the impact of laboratory performance and delivery time on order quality.

    Main Methods:

    • Analysis of 11,677 spectacle-prescription orders over 18 months.
    • Evaluation of ophthalmic materials against American National Standards Institute (ANSI) Z80.1-1972 standards.
    • Categorization of rejections into lens-related and frame-related issues.
    • Comparison of rejection rates and delivery times across different supplying laboratories.

    Main Results:

    • Five percent of spectacle orders were deemed unacceptable.
    • Lens-related issues accounted for nearly two-thirds of rejections.
    • Frame-related rejections were primarily due to significant human error.
    • Rejection rates varied widely among laboratories and did not correlate with delivery time.
    • Notification of results led to a decrease in unacceptable orders.

    Conclusions:

    • A significant percentage of ophthalmic materials fail to meet quality standards.
    • Lens quality and human error in frame processing are key areas for improvement.
    • Laboratory feedback can positively impact the quality of dispensed spectacles.
    • Continuous monitoring and quality control are necessary for ophthalmic material suppliers.

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