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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Ophthalmology. 2012 Jun 7;119(9):1731–1736. doi: 10.1016/j.ophtha.2012.03.003

Figure 1.

Figure 1

Figure 1

A: Histogram of NEI VFQ-25 near vision function subscore distribution

B: Histogram of NEI-VFQ 25 distance vision function subscore distribution

Two cutoff values were chosen to create three score levels. Scores under 75 were categorized as “more difficulty.” Scores from 75-99 were “mild difficulty,” and scores of 100 were “no difficulty.”

Acronym and abbreviation key: NEI VFQ 25 (National Eye Institute Visual Functioning Questionnaire-25).