dioptre Definition
a unit of measurement of the refractive power of a lens equal to the reciprocal of the focal length measured in meters.
Using dioptre: Examples
Take a moment to familiarize yourself with how "dioptre" can be used in various situations through the following examples!
Example
The prescription for his glasses was -2.5 diopters.
Example
The lens has a refractive power of 3 diopters.
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Summary: dioptre in Brief
The term 'dioptre' [dʌɪˈɒptə] refers to a unit of measurement of the refractive power of a lens, measured in meters. It is commonly used in prescriptions for eyeglasses and contact lenses.
