Understanding The Causes of Sudden Blurred Vision Sudden blurry vision can be worrying, especially when your eyesight becomes unclear without warning. Why does sight suddenly become hazy? 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/healpedia/827470625044070400/what-causes-sudden-blurry-vision?source=share