1563
All 3 patients had loss of central visual acuity , colour vision ( Ishihara ) and visual field .
 Disease: loss of central visual acuity , colour vision ( Ishihara ) and visual field
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: loss of central visual acuity , colour vision ( Ishihara ) and visual field