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  • Title: Correction of residual astigmatism on an against-the-rule cornea of moderate toricity.
    Author: Bergenske PD.
    Journal: J Am Optom Assoc; 1986 Mar; 57(3):212-3. PubMed ID: 3958420.
    Abstract:
    The use of prism ballasting and toric base curves are both commonly cited means of stabilizing lens orientation, although it is rare that both are necessary in the same lens. Base curve cylinder has an optical effect as well as a stabilizing effect, and this can be utilized to advantage under specific circumstances. This report presents a case which emphasizes the benefit of combining these two techniques of stabilization in a rigid lens design and also illustrates the utilization of the toric base curve in compensating residual astigmatism.
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