The word "hemiscotosis" may look intimidating to spell, but it's actually quite straightforward once you break it down. The first syllable "hemi" means half, while "scotosis" refers to a pathological or abnormal reduction in vision. In terms of pronunciation, "hemi" is pronounced "ˈhɛmi", while "scotosis" is pronounced "skoʊˈtoʊsɪs". So, putting it all together, "hemiscotosis" is pronounced "ˌhɛmiskoʊˈtoʊsɪs" and refers to partial vision loss.
Hemianopsia.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.