(n.) A disease of the eyes, in consequence of which a person can see clearly or without pain only by daylight or a strong artificial light; day sight.

Lombardy leprosy anemia ariboflavinosis beriberi cachexia chlorosis day blindness deficiency anemia dermatitis goiter greensickness hemeralopia keratomalacia kwashiorkor maidism malnutrition moon blindness nyctalopia osteomalacia osteoporosis pellagra pernicious anemia protein deficiency rachitis rickets scurvy struma vitamin deficiency xerophthalmia