DispensingQuestion 61 of 100
High-minus lenses can be made cosmetically thinner at the edge by doing what?
a.Increasing the base curve
b.Adding pantoscopic tilt
c.Using a higher-index material and edge treatments like a roll and polish
d.Choosing a larger frame
Explanation
Higher-index materials reduce edge thickness for minus lenses, and a smaller frame plus proper decentration further reduces thickness. Rolling and polishing the edge improves the cosmetic appearance.
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