Definition of photopic in English:


Line breaks: pho|top¦ic
Pronunciation: /fəʊˈtɒpɪk
, fəʊˈtəʊpɪk/


  • Relating to or denoting vision in daylight or other bright light, believed to involve chiefly the cones of the retina. Often contrasted with scotopic.
    More example sentences
    • Mean photopic b-wave amplitudes were significantly reduced in cases compared with controls, as were mean oscillatory potential amplitudes and latencies.
    • Figures 1 and 2 show scotopic and photopic amplitude values for all ERG parameters measured for each dog.
    • The photopic curve is for normal vision, and the scotopic curve is for eyes that are adjusted to the dark.


early 20th century: from photo- 'light' + -opia + -ic.

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a small amount; a little