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  • Title: Patient preference for a progressive addition multifocal lens (Varilux2) vs a standard multifocal lens design (ST-25).
    Author: Spaulding DH.
    Journal: J Am Optom Assoc; 1981 Oct; 52(10):789-94. PubMed ID: 7320370.
    Abstract:
    Patient preference for the Varilux2 lens, a progressive addition multifocal lens, was compared to that of a standard straight-top 25 multifocal. Forty-eight first-time multifocal candidates were fitted with both lens designs, which were then each worn for two three-week periods in succession. The subjects were then asked to state their preference by choosing the lens design they would prefer to continue to wear. Twenty-five of the 48 subjects (52%) preferred the Varilux2 lens design (as compared to the ST-25). The results indicate that the Varilux2 progressive addition lens design is an acceptable method of correction for first time multifocal candidates. The study analyzes patient factors (sex, refractive error, addition power, etc.) in relation to final lens design selection.
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