NIGHTBLINDKNOW
(NIGHTBLINDKNOW)
Heard of night-blindness or nyctalopia in children
Codes and Frequencies
Description
NIGHTBLINDKNOW indicates whether the female respondent has heard of nyctalopia or night-blindness in children. In this condition, children who can see normally during the day have difficulty seeing or moving after sunset.
Universe
- Chad 1996: All women age 15-49.