What Causes Sudden Blurry Vision? A Sudden loss of visual clarity can be concerning, especially when it happens out of nowhere. What lies behind sudden blurred vision? The answer can range from simple problems such as dry eyes or an incorrect glasses prescription to more serious conditions affecting the retina, https://www.tumblr.com/medjournalhealthcare/827471188689354753/what-causes-sudden-blurry-vision?source=share