| 释义 |
scotopic, a. Physiol.|skəʊˈtɒpɪk|
[f. scoto-2 + -opia + -ic.]
Of, pertaining to, or designating vision in dim light, believed to involve chiefly the rods of the retina. So scoˈtopia, the condition of scotopic eyes.
1915J. H. Parsons Introd. Study Colour Vision ii. 17 If the eye has been kept completely free from light for a considerable period it is said to be dark-adapted. I shall speak of vision under these circumstances as scotopia..and the dark-adapted eye as a scotopic eye. 1924J. P. C. Southall tr. W. Nagel in H. von Helmholtz's Treat. Physiol. Optics II. 345 The so-called Dämmerungssehen (or twilight vision, scotopia), when the eye is dark-adapted and the light stimulus is weak. 1937Nature 6 Mar. 409 It is generally accepted that visual purple plays an essential part in the process of scotopic vision. 1946Ibid. 31 Aug. 303/2 S. Hecht also arrives at the conclusion that the absorption of the visual purple is less than 20 per cent, by comparing the scotopic luminosity curve with the absorption curve of visual purple. 1972H. J. Eysenck et al. Encycl. Psychol. III. 182/1 Scotopia, twilight vision... With twilight vision a person is insensitive to color and his peripheral vision is better for fine detail than his central vision, since there are no rods in the fovea. 1973‘A. Hall’ Tango Briefing xiv. 169 My eyes were adapting to scotopic vision, the torchlight growing brighter. |