Figure 2.

NEI VFQ-25 composite and subscale scores by number of patient-reported restricted activity days due to AMD over a 3-month period.

Notes: Analysis of covariance model adjusted for age and sex. This figure is reproduced from an article by Orr et al, entitled, “Validation of the National Eye Institute Visual Function Questionnaire-25 (NEI VFQ-25) in age-related macular degeneration” in Invest Ophthalmol Vis Sci. 2011;52(6):3354–3359 and republished with permission of the copyright holder, the Association for Research in Vision and Ophthalmology.¹⁸

Abbreviations: NEI VFQ-25, National Eye institute visual Functioning Questionnaire 25-items; AMD, age-related macular degeneration.