as in optic
of, relating to, or used in vision an optical illusion that fools most people

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Recent Examples of optical Don’t look at the sun through any unfiltered optical device — camera lens, telescope, binoculars — while wearing eclipse glasses or using a handheld solar viewer, according to NASA. Ashley Strickland, CNN Money, 28 Mar. 2025 For instance, optical readers have become up to 99% accurate. William Tarr, Forbes, 21 Mar. 2025 Euclid Telescope Explores Deep Fields The Euclid telescope, launched in 2023, is equipped to create the largest 3D map of the universe to date by observing optical and near-infrared light. Jack Knudson, Discover Magazine, 19 Mar. 2025 The first is, sensibly enough, that the optical heart rate sensor on the back of the watch appears to detect the loss of heart rate signal. Andrew Williams, Forbes, 21 Mar. 2025 See All Example Sentences for optical

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“Optical.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/optical. Accessed 14 Apr. 2025.

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