END OF FILTER  
HE2 HEAID  
IF walking aids used = None [HeAid = 96]  
CHECK: walking aids used.CARDINAL = 1 [HeAid.CARDINAL = 1]  
││  
││ 'None of these' is an exclusive code for this question.  
││  
END CHECK  
END OF FILTER  
HE3 HEAIDW  
IF type of walking aid disputed = RESPONSE [HeAidW = RESPONSE]  
LOOP FOR idx:= 1 TO 8  
││  
││ IF type of walking aid disputed = idx [HeAidW = idx]  
│││  
│││ CHECK: (idx = walking aids used) INVOLVING (type of walking aid disputed)  
││││ [idx = IW1[PNum].HeAid INVOLVING HeAidW ]  
││││  
││││ INTERVIEWER: You cannot use this code.  
││││  
│││ END CHECK  
│││  
││ END OF FILTER  
││  
END OF FILTER  
END OF FILTER  
HE4 HEOPW  
IF eye condition disputed = RESPONSE [HeOpW = RESPONSE]  
LOOP FOR idx:= 1 TO 7  
││  
││ IF eye condition disputed = idx [HeOpW = idx]  
│││  
│││ CHECK: (idx = types of eye conditions) INVOLVING (eye condition disputed)  
││││ [idx = IW1[PNum].HeOpt INVOLVING HeOpW]  
││││  
││││ INTERVIEWER: You cannot use this code.  
││││  
│││ END CHECK  
│││  
││ END OF FILTER  
││  
END OF FILTER  
END OF FILTER  
HE5 HEOPT  
HE6 HEOPT