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synoptophore

noun

syn·​op·​to·​phore sin-ˈäp-tə-ˌfō(ə)r How to pronounce synoptophore (audio)
: an instrument for diagnosing imbalance of eye muscles and treating them by orthoptic methods

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“Synoptophore.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/synoptophore. Accessed 2 Dec. 2025.

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