释义 |
photoptic, a. Physiol.|fəʊˈtɒptɪk| [f. photo- 1 + Gr. ὀπτικ-ός optic a.] = photopic a.
1949Amer. Jrnl. Bot. XXXVI. 198/2 The scattered red light was just on the threshold of photoptic vision for the dark-adapted eye. 1955C. W. Allen Astrophysical Quantities v. 103 (heading) Relative visibility Kλ for normal brightness.., the photoptic curve (International) (cone vision at fovea). |