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. 2015 Sep 18;93(8):745–752. doi: 10.1111/aos.12839

Figure 2.

Figure 2

Correlation of Rasch‐calibrated NEI VFQ‐25 scores with MD and VFI. Data are shown as better‐eye MD in dB (left) and better‐eye VFI in % (right) divided by visual impairment level according to the World Health Organization criteria. The VRQOL scores for patients with a better‐eye VFI of <50% (or MD < −18 dB) never exceeded 70. dB, decibel; MD, mean deviation; NEI VFQ‐25, National Eye Institute Visual Function Questionnaire 25; VFI, visual field index; VRQOL, vision‐related quality of life.