WordNet: moon blindness, night blindness, nyctalopia

inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder

• hypernym avitaminosis, hypovitaminosis

• hypernym vision defect, visual defect, visual disorder, visual impairment

moon blindness

• (suomi) hämäräsokeus (synonyymi)

night blindness

• (suomi) yösokeus (synonyymi)

nyctalopia

• (suomi) nyktalopia (synonyymi)