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ABO NOCE Basic Opticianry

Category - Ophthalmic Optics

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The effective power of a lens does not change because the lens is closer or farther away from the eye.

True
False

Explanation

Answer: B - The effective power of a lens does change when the lens is closer or further away from the eye.

The vertex distance between the eye and the lens directly affects the power of the lens, especially in strong powered lenses, both minus and plus.

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