skiascope

noun

skia·scope ˈskī-ə-ˌskōp

: a device for determining the refractive state of the eye from the movement of retinal lights and shadows

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“Skiascope.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/skiascope. Accessed 27 Feb. 2025.

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