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Certified Ophthalmic Medical Technologist (COMT)

Category - COMT

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True or False:

When moved toward the eye, a plus lens loses perceived power.

True
False

Explanation

Answer: A

The distance from the cornea's front surface to the back side of a lens that is mounted in a frame and worn by the patient is called vertex distance. The greater the vertex distance, the more perceived plus power. Therefore, a plus lens moved closer to the eye loses perceived power.

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