optic disc
noun
variants
or optic disk
plural optic discs or optic disks
: the small circular area at the back of the retina where the optic nerve enters the eyeball and which is devoid of rods and cones and is not sensitive to light : blind spot sense 1a
Examples of optic disc in a Sentence
Recent Examples on the Web
Effectiveness of Targeted Spectroscopy A recent study on the eye has shown that ocular spectroscopy can effectively analyze different eye regions, such as the optic disc, blood vessels, retina, and macula, by identifying distinct spectral signatures.
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William A. Haseltine, Forbes, 15 Feb. 2024
William A. Haseltine, Forbes, 15 Feb. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'optic disc.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1858, in the meaning defined above
Dictionary Entries Near optic disc
Cite this Entry
“Optic disc.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optic%20disc. Accessed 16 Apr. 2024.
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