optical center

noun

Medical Definition of optical center

: a point on the axis of a lens that is so located that any ray of light passing through it in passing through the lens suffers no net deviation and that may be within, without, or on either surface of the lens

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“Optical center.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/optical%20center. Accessed 12 Apr. 2021.

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