op·​to·​type -ˌtīp How to pronounce optotype (audio)
: figures or letters of different sizes used in testing the acuity of vision
usually used in plural

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Cite this Entry

“Optotype.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/optotype. Accessed 19 Apr. 2024.

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