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Why Sunglasses Have Zero Power?

James H. Sterling • • 7 min read
Why Sunglasses Have Zero Power?
★ Key Takeaways

This Means That the Outer and Inner Surfaces of the Sunglasses Have the Same Radius of Curvature. .. . Since the Power of a Lens Arises from the Difference in the Radii of Curvature of Either Spherical Surfaces, We Can Say That the Power of the Sunglasses Are Zero for This Reason.

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Direct Answer • Key Takeaway

This Means That the Outer and Inner Surfaces of the Sunglasses Have the Same Radius of Curvature. .. . Since the Power of a Lens Arises from the Difference in the Radii of Curvature of Either Spherical Surfaces, We Can Say That the Power of the Sunglasses Are Zero for This Reason.

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James H. Sterling
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James H. Sterling

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.