The development of the Indian vision function questionnaire: Field testing and psychometric evaluation

British Journal of Ophthalmology

Volumn 89, Issue 5, 2005, Pages 621-627

  Gupta, S K ^b   Viswanath, K ^c   Thulasiraj, R D ^d   Murthy, G V S ^b   Lamping, D L ^a   Smith, S C ^a   Donoghue, M ^a   Fletcher, Astrid E ^a  

^a LONDON SCHOOL OF HYGIENE AND TROPICAL MEDICINE   (United Kingdom)

^b ALL INDIA INSTITUTE OF MEDICAL SCIENCES   (India)

^c Sarojini Devi Eye Hospital   (India)

^d Lions Aravind Institute of Community Ophthalmology   (India)

Author keywords

[No Author keywords available]

Indexed keywords

ADULT; ARTICLE; CATARACT; CONTROLLED STUDY; DIABETIC RETINOPATHY; EVALUATION; FEMALE; FUNCTIONAL ASSESSMENT; GLAUCOMA; HUMAN; INDIA; LOWEST INCOME GROUP; MAJOR CLINICAL STUDY; MALE; POSTOPERATIVE PERIOD; PREOPERATIVE PERIOD; PRIORITY JOURNAL; PSYCHOMETRY; PSYCHOSOCIAL ENVIRONMENT; QUALITATIVE ANALYSIS; RELIABILITY; RETINA MACULA AGE RELATED DEGENERATION; SYMPTOMATOLOGY; VALIDATION PROCESS; VISION; VISUAL DISORDER;

ACTIVITIES OF DAILY LIVING; AGED; CATARACT; DEVELOPING COUNTRIES; FEMALE; GLAUCOMA; HUMANS; INDIA; MALE; MIDDLE AGED; PATIENT SATISFACTION; PSYCHOMETRICS; QUALITY OF LIFE; QUESTIONNAIRES; REPRODUCIBILITY OF RESULTS; RETINAL DISEASES; VISION DISORDERS;

EID: 17644415683     PISSN: 00071161     EISSN: None     Source Type: Journal    
DOI: 10.1136/bjo.2004.050732     Document Type: Article

References (15)

1. Murthy GVS, Gupta SK, Thulasiraj RD, et al. The development of the Indian vision function questionnaire: questionnaire content. Br J Ophthalmol 2005;89:498-503.
2. Thylefors B, Négrel A-D, Parajasegaram R, et al. Global data on blindness. Bull World Health Organ 1995;73:115-21.
3. Fletcher AE, Ellwein LE, Selvaraj S, et al. Measuring vision function and quality of life in patients with cataract in southern India. Report of instrument development. Arch Ophthalmol 1997;115:767-74.
4. Fletcher A, Ellwein LB, Vijaykumar V, et al. The Madurai Intraocular Lens Study. III. Visual functioning and quality of life outcomes. Am J Ophthalmol 1998;125:26-35.
5. Scientific Advisory Committee of the Medical Outcomes Trust. Assessing health status and quality-of-life instruments: attributes and review criteria. Qual Life Res 2002;11:193-205.
6. Streiner DL, Norman GR. Health measurement scales: a practical guide to their development and use. 2nd ed. Oxford: Oxford University Press, 1995.
7. McDowell I, Jenkinson C. Development standards for health measures. J Health Serv Res Policy 1996;1:238-46.
8. Lamping DL, Schroter S, Marquis P, et al. The Community-Acquired Pneumonia Symptom questionnaire: a new, patient-based outcome measure to evaluate symptoms in patients with community-acquired pneumonia. Chest 2002;122:920-9.
9. Cronbach LJ. Coefficient alpha and the internal structure of tests. Psychometrika 1951;16:297-334.
10. Cohen J. Statistical power analysis for the behavioral sciences. Rev ed. New York: Academic Press, 1977.
11. Hays RD, Hayashi T. Beyond internal consistency: Rationale and users' guide for Multi-Trait Analysis Program on the microcomputer. Behav Res Methods, Instruments and Computers 1990;22:167-75.
12. Ware JE, Harris WJ, Gandek B, et al. MAP-R for Windows: multitrait/multi-item analysis program-revised user's guide version 1. Boston, MA: Health Assessment Lab, 1997.
13. Bland JM, Altman DG. Statistical methods for assessing agreement between two methods of clinical measurement. Lancet 1986:307-10.
14. Mangione CM, Lee PP, Pitts J, et al. Psychometric Properties of the National Eye Institute Visual Function Questionnaire (NEI-VFQ). Arch Ophthalmol 1998;116:1496-504.
15. Mangione CM, Lee PP, Gutierrez PR, et al. Development of the 25-Item National Eye Institute Visual Function Questionnaire. Arch Ophthalmol 2001;119:1050-8.