en:vfq25-interviewer administered format - difficulty driving during daytime
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en:vfq25-interviewer administered format - difficulty seeing and enjoying programs on tv
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en:vfq25-interviewer administered format - pain in eyes keep you from doing what you like
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en:vfq25-interviewer administered format - difficulty reading street signs
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en:vfq25-interviewer administered format - difficulty reading ordinary print in newspapers
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en:vfq25-interviewer administered format - time spent worry about eyesight
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en:vfq25-interviewer administered format - main reason you gave up driving
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en:vfq25-interviewer administered format - difficulty figure out bill accuracy
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en:cdisc qrs terminology
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