The National Eye Institute Visual Function Question naire-25 , Impact of Vision Impairment and Treatment Satisfaction Survey-Intraocular Pressure had the highest number of positive ratings in the content validity assessment .
Conclusion This study provides a descriptive catalogue of vision-specific PRO instruments , to inform the choice of an appropriate measure of patient-reported outcomes in a glaucoma context
Purpose To identify  vision Patient-Reported Outcomes instruments relevant to glaucoma and assess their content validity .
Psychometric properties of the National Eye Institute Visual Function Questionnaire (NEI-VFQ). NEI-VFQ Field Test Investigators.
OBJECTIVE To test the reliability and validity of the 51-item Field Test Version of the National Eye Institute Visual Function Question naire ( NEI-VFQ ) across 5 common chronic eye conditions . DESIGN Prospect i ve observational cohort study of persons with 1 of 5 chronic eye diseases who were scheduled for nonurgent visits in ophthalmology practice s or had low vision from any cause , and a reference sample of persons without eye disease . SETTING Six university-based ophthalmology practice s and the National Eye Institute Clinical Center , Bethesda , Md. PATIENTS Eligible participants had to have 1 of the following eye conditions : age-related cataracts , age-related macular degeneration , diabetic retinopathy , primary open-angle glaucoma , cytomegalovirus retinitis , or low vision from any cause . Each of the 7 sites also enrolled persons in a reference sample . Reference sample participants had no evidence of underlying eye disease but were scheduled for either screening eye examinations or correction of refractive error . All eligible persons had to be aged 21 years or older , English speaking , and cognitively able to give informed consent and participate in a health status interview . MEASUREMENTS AND MAIN RESULTS To provide the data needed to assess the reliability and validity of the 51-item NEI-VFQ  , all subjects completed an interview that consisted of the 51-item NEI-VFQ , the Medical Outcomes Study 36-Item Short-Form Health Survey , and at least 1 measure of vision-targeted functional status . Estimates of internal consistency and test-retest reproducibility indicate that the 51-item NEI-VFQ is reliable . Tests of association with other scales and clinical variables support the construct validity of the survey . CONCLUSIONS In this cross-sectional study , the 51-item NEI-VFQ seems to be reliable and valid and should be a useful tool for group-level comparisons of vision-targeted , health-related quality of life in clinical research . Additionally , the psychometric properties of the NEI-VFQ were not influenced by the type or severity of the underlying eye disease , suggesting that the measure will provide reproducible and valid data when used across multiple eye conditions
The National Eye Institute Visual Function Question naire-25 , Impact of Vision Impairment and Treatment Satisfaction Survey-Intraocular Pressure had the highest number of positive ratings in the content validity assessment .
Conclusion This study provides a descriptive catalogue of vision-specific PRO instruments , to inform the choice of an appropriate measure of patient-reported outcomes in a glaucoma context
Purpose To identify  vision Patient-Reported Outcomes instruments relevant to glaucoma and assess their content validity .