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Definitions from WordNet

Definitions from the Web

Diopter

Definition:

A diopter is a unit of measurement used to express the focusing power of a lens, commonly used in optometry and ophthalmology.

Parts of Speech:

• Noun

Senses:

1. Optics: A unit of measurement that quantifies the refractive power of a lens.
2. Ophthalmology: The measurement representing the degree of nearsightedness or farsightedness in an eye.

Usages:

Sense 1 - Optics:

Example Sentence: The camera lens had a diopter of -2, allowing for sharp focus on close-up subjects.

Sense 2 - Ophthalmology:

Example Sentence: The ophthalmologist prescribed eyeglasses with a diopter of +3.5 to correct the patient's farsightedness.

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