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Table 4 Correlations between IVI scores and clinical vision measures

From: Vision-related quality of life in adults with severe peripheral vision loss: a qualitative interview study

  Visual acuity better-eyea Visual acuity worse-eyea Pelli-Robson score binocularb IVI reading IVI mobility
Retinitis pigmentosa
 IVI Reading −0.01 −0.10 0.10
 IVI Mobility 0.22 0.12 −0.36 0.5*
 IVI Well-Being 0.21 0.27 −0.46* 0.4 0.8**
Glaucoma
 IVI Reading −0.66** −0.15 0.60**
 IVI Mobility −0.47* − 0.37 0.37 0.8**
 IVI Well-Being −0.61** −0.11 0.48* 0.8** 0.7*
  1. IVI Impact of Vision Impairment, logCS log contrast sensitivity, logMAR logarithm of minimum angle of resolution
  2. a On logarithm of minimum angle of resolution (logMAR) scale
  3. b On log contrast sensitivity (logCS) scale
  4. *P < 0.05, **P < 0.01
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