Supplemental Table S1 - The 34 patient reported outcome measures used to extract items for the diabetic retinopathy-specific quality of life item bank

Patient reported outcome measure / No. of items
Health-related quality of life
Rand Medical Outcomes Short Form Survey (SF-36)(1; 2) / 27^
Vision-specific quality of life*
Impact of Vision Impairment (IVI)(3-5) / 28
National Eye Institute Vision Function Questionnaire (NEI-VFQ-52/25)(6; 7) / 36
Low Vision Quality of Life (LVQOL)(8; 9) / 25
Core Questionnaire of Vision-Related Quality of Life Measure (VCM1)(10; 11) / 139
Vision Function-Related Quality of Life (VFQoL)(12) / 15
Condition-specific quality of life
Retinopathy Dependent Quality of Life (RetDQoL)(13; 14) / 25
Macular Degeneration Quality of Life (MacDQoL)(15) / 26
Glaucoma Quality of Life (GlauQoL)(16) / 36
Quality of Life Impact of Refractive Correction (QIRC)(17; 18) / 16
Vision functioning
Visual Function Index (VF-14)(19; 20) / 14
Activities of Daily Living Scale (ADVS)(21) / 22
Independent Mobility Questionnaire (IMQ) (Turano’s instrument)(22) / 35
Catquest(23; 24) / 17
Activity Level of the Blind (ALB)(25) / 74
Visual Performance Questionnaire (VPQ)(26) / 6
Visual Activities Questionnaire (VAQ)(27; 28) / 33
Functional Assessment of Low Vision (FALV)(29) / 57
Lowe ’s Visual Function Questionnaire (VFQ)(30) / 14
Vision Function after Pan-retinal Photocoagulation (original version) (VF-PRP)(31) / 27
Vision Function after Pan-retinal Photocoagulation (modified version) (VF-PRP)(32) / 32
Visual Function Index (VFI)(33; 34) / 11
Daily Living Tasks Dependent on Vision (DLTV)50, 51 / 22
Visual Disability Assessment (VDA)(35) / 18
Activities of Rehabilitated Blind Veterans (ARBV) (Schultz’ instrument)(36) / 68
Blind Rehabilitation Services Functional Outcome Survey (BRSFOS)(37; 38) / 28
Cataract Symptom Scale (CSS)55, 56(39) / 15
TyPE questionnaire(40; 41) / 14
Houston Vision Assessment Test (HVAT)(42) / 10
Madurai Intraocular Lens Study Visual Function and Quality of Life (MIOLS VFQOL)(43; 44) / 25
Van Djik’s instrument(45) / 13
Visual Disability Questionnaire (VDQ)(46) / 29
National Health Interview Survey (NHI)(47; 48) / 5
Acuity Screening Inventory (ASI)(49) / 6
Total / 968

^Only items relevant and applicable to DR were extracted from each instrument. In the SF-36, nine items rating general health and bodily pain were not included; *Instruments were considered to be ‘quality of life’ if they substantially covered at least three different quality of life domains

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Title: Evaluation of item candidates for a diabetic retinopathy quality of life item bank.

Journal name: Quality of Life Research

Authors: Eva K Fenwick; Konrad Pesudovs; Jyoti Khadka; Gwyn Rees; Tien Y Wong; Ecosse L Lamoureux.

Affiliation and email address of Corresponding Author:

Centre for Eye Research, Department of Ophthalmology, University of Melbourne, Royal Victorian Eye and Ear Hospital, Melbourne, Victoria, Australia.