4753
One patient in the Gamma Knife group ( 3 . 4 % ) developed a homonymous hemianopsia 9 months following treatment and 5 patients ( 27 . 7 % ) in the radiofrequency group became transiently confused postoperatively .
 Disease: homonymous hemianopsia
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: homonymous hemianopsia