... Comparativeresponsiveness of generic and specific quality- of- life instru-ments. J Clin Epidemiol 2003, 56(1):52-60.39. Coons SJ, Rao S, Keininger DL, Hays RD: A comparative review of generic quality- of- life instruments. ... domains of health- related quality of life (HRQL), including independence, mobility, lei-sure, and self-care activities [11,12].Cross-sectional quantitative studies conducted at onepoint in ... purposes) Health and Quality of Life OutcomesOpen AccessResearchThe longitudinal link between visual acuity and health- related quality of life in patients with diabetic retinopathyLouis S Matza*1,...