New eye flashes and large new floaters can mean the vitreous gel is tugging on the retina during posterior vitreous detachment (PVD). Patients often describe flashes like a camera flash or lightning bolt, frequently in an arc shape that matches the eye’s curvature. If you notice new floaters, flashes, or an arc of light, book a same-day eye exam to rule out a retinal tear or retinal detachment. What you’ll learn in 60 seconds: ✳️Why vitreous traction during PVD creates flashes ✳️Why flashes look