What causes floaters in the eye?

Sign up to our free Living Well email for advice on living a happier, healthier and longer life Live your life healthier and happier with our free weekly Living Well newsletter Live your life healthier and happier with our free weekly Living Well newsletter SIGN UP I would like to be emailed about offers, events and updates from The Independent. Dots and lines going across your vision might make it difficult to concentrate and cause confusion, and the rest of your vision can become blurry if you’re worried and focusing on the floaters. As you get older, you’re likely to experience floaters more often as the vitreous jelly over your eyeball becomes softer, and strands of collagen appear within it. "However, occasionally a sudden increase in floaters may be a sign of a more serious eye disease such as a retinal detachment.