Validation of a quality of life questionnaire in the Pacific Island. Ophthalmic Epidemiology. O’Connor PM, Scarr BC, Lamoureux EL, Le Mesurier RT, Keeffe JE. The impact of vision impairment on vision-specific quality of life in Germany. Investigative Ophthalmology & Visual Science. Finger RP, Fenwick E, Marella M, Dirani M, Holz FG, Chiang PP, Lamoureux EL. Assessment of the psychometric properties of the Chinese Impact of Vision Impairment questionnaire in a population-based study: findings from the Singapore Chinese Eye Study. Qual Life Res. Fenwick EK, Ong PG, Sabanayagam C, Rees G, Xie J, Holloway E, Cheng CY, Wong TY, Lim B, Tan PC, Lamoureux EL. Publications using other language versions of the IVI
Calibrating the Impact of Vision Impairment (IVI): Creation of a Sample-Independent Visual Function Measure for Patient-Centered Outcomes Research. Goldstein JE, Fenwick EK, Finger RP, Gothwal V, Jackson ML, Lamoureux EL, Rees G, Massof R. The impact of vision impairment questionnaire: an assessment of its domain structure using confirmatory factor analysis and Rasch analysis. Investigative Ophthalmology & Visual Science. Lamoureux EL, Pallant JF, Pesudovs K, Rees G, Hassell JB, Keeffe JE. Rasch analysis of domain structure of the IVI The Impact of Vision Impairment Questionnaire: an evaluation of its measurement properties using Rasch analysis. Investigative Ophthalmology & Visual Science. Lamoureux EL, Pallant JF, Pesudovs K, Hassell JB, Keeffe JE. Assessment of the impact of vision impairment. Investigative Ophthalmology & Visual Science.
IVI PRO SIMILAR PDF
Please contact you would like a pdf copy of the following: This questionnaire is now managed by the Singapore Eye Research Institute, a collaborator of CERA. It has been extensively validated in populations with different levels of vision impairment and various eye conditions, including age-related macular degeneration, glaucoma, cataract and diabetic retinopathy. The IVI comprises three vision-specific subscales: ‘reading and accessing information’, ‘mobility and independence’ and ‘emotional well-being’. Items 1-15 have an additional response don’t do this for other reasons. It contains 28 items with 3-4 response options using Likert scaling, ranging from not at all to a lot. The IVI is a questionnaire that measures the impact of vision impairment on VRQoL.
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