Key Takeaways Flashes are streaks or flickers produced when the retina is stimulated without an external light source. Floaters are shadows cast on the retina by material within the eye’s vitreous gel. Blurred vision is a loss of visual sharpness that can have many causes, including changes affecting the retina or vitreous. Occasional, longstanding floaters […]
Flashes, Floaters, Blurry Vision, and More: Which Eye Symptoms Need Specialized Medical Attention?