Levels of Evidence: What Should Ophthalmologists Know?

Abstract 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 ENERGIN 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 Ball - Junior Tops - Baselayer scientific evidence focusing on ophthalmology.