loss of vision in either the whole left or the whole right half of the field of vision
Also called: hemianopsia (ˌhɛmɪænˈɒpsɪə), hemiopia (ˌhɛmɪˈəʊpɪə)
Word origin
C19: from hemi- + an- + Greek opsis sight
hemiopia in American English
(ˌhemiˈoupiə)
noun
Ophthalmology
hemianopsia
Derived forms
hemiopic (ˌhemiˈɑpɪk, -ˈoupɪk)
adjective
Word origin
[1870–75; hemi- + -opia]This word is first recorded in the period 1870–75. Other words that entered Englishat around the same time include: Mafia, Victorian, fifth wheel, immobilize, washouthemi- is a combining form meaning “half,” used in the formation of compound words. Otherwords that use the affix hemi- include: hemianopsia, hemicellulose, hemihedral, hemimorphite, hemiola