1. (noun) inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder

• moon blindness
• nyctalopia

1. (noun) inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder

• avitaminosis
• hypovitaminosis
• vision defect
• visual defect
• visual disorder
• visual impairment