释义 |
ˈday-blindness A visual defect in which the eyes see indistinctly, or not at all, by daylight, but tolerably well by artificial light.
1834Good Study Med. (ed. 4) III. 145. 1838 Penny Cycl. XII. 114/2 Nyctalopia, night-vision, or day-blindness, probably never occurs as a separate disease. |