Sentence:  <WSD>Entoptic</WSD> [corrected] phenomena in pregeniculate and postgeniculate hemianopsia with splitting of macula by perimetry [the original article ((15 March 1990), volume 109, number 3, page 375) misspelled the word as "entopic"] 
Meaning of the word marked with <WSD> tags:  Of or relating to visual phenomena caused by objects within the eye, or the objects themselves.