The VF-14: an index of functional impairment in patients with cataract
EP Steinberg, JM Tielsch, OD Schein… - Archives of …, 1994 - jamanetwork.com
Objective: To describe the development and the performance of a brief questionnaire
designed to measure functional impairment caused by cataract (the VF-14). Design:
Observational cross-sectional study. Patients were recruited between July 15 and December
15, 1991. Setting: Patients were recruited from the practices of 70 ophthalmologists, located
in Columbus, Ohio (N= 21), St Louis, Mo (N= 26), and Houston, Tex (N= 23). Patients: Seven
hundred sixty-six patients undergoing cataract surgery for the first time. Main Outcome …
designed to measure functional impairment caused by cataract (the VF-14). Design:
Observational cross-sectional study. Patients were recruited between July 15 and December
15, 1991. Setting: Patients were recruited from the practices of 70 ophthalmologists, located
in Columbus, Ohio (N= 21), St Louis, Mo (N= 26), and Houston, Tex (N= 23). Patients: Seven
hundred sixty-six patients undergoing cataract surgery for the first time. Main Outcome …
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