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Table 2 Characteristics of the study sample of the German population-based Gutenberg Health Study (GHS) with visual acuity of both eyes and NEI VFQ-25 data available

From: Vision-related quality of life considering both eyes: results from the German population-based Gutenberg Health Study (GHS)

  All
N 11,941
 Age [y] 54.7 (11.1)
 Women 49.9% (5958)
 Socioeconomic status 13.1 (4.4)
Eye characteristics:
 Mean spherical equivalent [dpt] −0.12 (−1.25/0.81)
 Visual acuity (better eye) [logMAR] 0 (0/0.10)
 Visual acuity (worse eye) [logMAR] 0 (0/0.22)
 Contact lenses or glasses 89.2% (10646)
 Distance glasses 68.0% (8116)
 History of eye surgery 7.3% (876)
 Glaucoma 2.3% (270)
 Age-related macular degeneration 0.4% (51)
 Amblyopia 9.9% (1186)
Vision-related quality of life:
 Visual functioning scale (NEI VFQ-25) 89.6 (81.3/95.1)
 Socioemotional scale (NEI VFQ-25) 100.0 (94.5/100.0)
  1. Continuous variables were described by mean values and standard deviation, and a skewed distribution was described by the median and interquartile range. Discrete variables were described by relative and absolute frequencies.