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Levels of Evidence: What Should Ophthalmologists Know?
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posted on 2019-12-04, 02:58 authored by Fábio Barreto Morais, Tiago Eugênio Faria e Arantes, Gustavo Barreto Melo, Cristina MuccioliAbstract Facing an enormous influx of information from medical research, clinicians need to differentiate robust study findings from spurious ones. The levels of evidence are an important component of Evidence-Based Medicine. Understanding the levels helps the Ophthalmologist to prioritize information and make right clinical decisions. The aim of this article is to describe the hierarchy of studies regarding their scientific evidence focusing on ophthalmology.