Figure 1. Percentage of Patients Reporting Improvement After Cataract Surgery Based on Five Measures Research in Action No. 5 Note: VF-14 is the Visual Function-14 Index.Source: Steinberg E, Tielsch JM, Schein OD, et al. National Study of Cataract Surgery Outcomes. Ophthalmology 1994; 101:1131-9.Return to Document Current as of May 2002 Internet Citation: Figure 1. Percentage of Patients Reporting Improvement After Cataract Surgery Based on Five Measures: Research in Action No. 5. May 2002. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/factsheets/patient-centered/ria-issue5/ria-issue5-f1.html