Line 1:
Line 1:
A '''diopter''' is a unit of measurement equal to the reciprocal of the [[focal length]], measured in meters.
A '''diopter''' is a unit of measurement equal to the reciprocal of the [[focal length]], measured in meters.
−
In human vision, a diopter can represent the distance away from the eye.
In human vision, a diopter can represent the distance away from the eye.