1432
After 7 months median visual acuity ( VA ) was 20 / 160 for the irradiated and 20 / 400 for the untreated patients .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities:  
Answer:
 None