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Re: 6 types of interpupillary distance measurements |Eyesight health

Measures the distance between each pupil and the center of the bridge of the nose, providing a separate measurement for each eye. This helps ensure that the optical center of each lens aligns correctly with the corresponding eye. Determines the distance between the centers of the pupils when both eyes are considered together. It is essential for aligning the optical centers of eyeglass lenses accurately with the midpoint between the eyes. Get More Info