Doubling the base curve diopter value results in the base curve radius becoming what?

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Multiple Choice

Doubling the base curve diopter value results in the base curve radius becoming what?

Explanation:
Doubling the base curve diopter value makes the base curve radius half as large. This happens because the curvature power (diopters) of a spherical surface is inversely related to its radius: P ∝ 1/R. If the diopter value doubles (P → 2P) while the constants stay the same, the radius must become R → R/2. In practical terms, a higher base curve diopter means a steeper, tighter curve, which corresponds to a smaller radius.

Doubling the base curve diopter value makes the base curve radius half as large. This happens because the curvature power (diopters) of a spherical surface is inversely related to its radius: P ∝ 1/R. If the diopter value doubles (P → 2P) while the constants stay the same, the radius must become R → R/2. In practical terms, a higher base curve diopter means a steeper, tighter curve, which corresponds to a smaller radius.

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