ophthalmograph
noun
oph·thal·mo·graph
äf-ˈthal-mə-ˌgraf, äp- 
: an instrument that photographs the movements of the eyes during reading
Dictionary Entries Near ophthalmograph
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“Ophthalmograph.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ophthalmograph. Accessed 16 Apr. 2024.
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