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 important component of Evidence-Based Medicine. Understanding the levels helps the Ophthalmologist to prioritize information and make right clinical decisions. https://www.getpureroutine.com/hot-sale-ethical-nutrients-mega-magnesium-powder-citrus-450g-for-sale-save-big/