hemianopia meaning

noun a state ofpartial blindness in which someone has only half the usual field of vision in each eye the skin causing a rash called purpura and also pain in the stomach and the joints vomiting and diarrhoea. It often occurs after an upper respiratory infection mostly in children agedtwo to . [Described by Sch nlein and by Henoch. Eduard Heinrich Henoch ( ) Professor of Paedriatrics at Berlin Germany