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Relationship between changes in corneal configuration and thickness.

S G El Hage, C C Beaulne

    American Journal of Optometry and Physiological Optics
    |December 1, 1975
    PubMed
    Summary
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    Contact lens wear significantly correlates with corneal thickness and shape changes. This study investigated these effects in 26 participants wearing rigid and flexible lenses.

    Area of Science:

    • Ophthalmology
    • Optometry
    • Biomedical Engineering

    Background:

    • Contact lenses are widely used for vision correction.
    • Understanding their impact on corneal physiology is crucial for eye health.
    • Previous research has explored various lens-induced corneal changes.

    Purpose of the Study:

    • To investigate the correlation between corneal thickness and corneal shape.
    • To assess the effects of rigid and flexible contact lens wear on corneal parameters.
    • To analyze changes in corneal morphology after a three-hour wear period.

    Main Methods:

    • A study involving 26 subjects (males and females) and a control group of five.
    • Corneal thickness and configuration measurements taken before and after 3-hour contact lens wear.

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  • Control group underwent similar measurements over two sessions.

    • Main Results:

    • A statistically significant, though low, correlation was found between corneal thickness and corneal shape.
    • Contact lens wear duration of three hours induced measurable changes.

    Conclusions:

    • Contact lens wear can induce subtle but significant alterations in corneal topography.
    • Further research is warranted to explore long-term effects and clinical implications of these findings.