In rare cases, a PVD causes a tear in the retina, which can progress to a retinal detachment, causing floaters. This uncommon event occurs in approximately 1 in 10,000 people per year.
A tear in the retina causes a sudden increase in small dot-like floaters, and flashes in the peripheral vision. Some people also notice a curtain effect coming in from their peripheral visual field. If you notice these symptoms, you should seek urgent attention by an eye doctor.
Inflammation in the eye is a rare cause of floaters
[British and Eire Association of Vitreoretinal Surgeons – Floaters, see www.beavrs.org]