Objective To develop and test the psychometric properties of a 25-list-item version of the
National Eye Institute Visual Function Questionnaire (NEI VFQ-25). Design Prospective …

Objective To test the reliability and validity of the 51-item Field Test Version of the National
Eye Institute Visual Function Questionnaire (NEI-VFQ) across 5 common chronic eye …

To develop a method for the evaluation of visual function in subjects with cataracts, the authors
identified 20 visual activities and categorized them into five subscales (distance vision, …

Objective: To measure the effect of cataract extraction and lens implantation on elderly
persons' health-related quality of life and on their ability to perform visual activities. Design: …

Objective To identify the content area for a questionnaire designed to measure vision-targeted
health-related quality of life and to determine whether problems with vision-related …

Background—Cardiac complications are important causes of morbidity after noncardiac
surgery. The purpose of this prospective cohort study was to develop and validate an index for …

Importance According to National Health and Nutrition Examination Survey data, 52% of
surveyed US adults reported using at least 1 dietary supplement in the prior 30 days and 31% …

Importance Colorectal cancer is the third leading cause of cancer death for both men and
women, with an estimated 52 980 persons in the US projected to die of colorectal cancer in …

Importance Lung cancer is the second most common cancer and the leading cause of cancer
death in the US. In 2020, an estimated 228 820 persons were diagnosed with lung cancer, …

Importance Colorectal cancer is the second leading cause of cancer death in the United States.
In 2016, an estimated 134 000 persons will be diagnosed with the disease, and about 49 …