Posterior Vitreous Detachment (PVD)
Separation of posterior hyaloid face from retina
Mechanism: vitreous syneresis (liquefaction) and
contraction with age
Symptoms: floaters; may see flashes (due to traction on
Posterior Vitreous Detachment (PVD) attachment.php?s=cfed0d4773248ff839c8a32370430ea2&attachmentid=2967&d=1482755324
Findings: acute symptomatic PVD may have retinal tear
(10–15% of acute symptomatic PVDs), vitreous hemorrhage
(hemorrhagic PVD; 7.5% of PVDs) if vessel is torn during
vitreous separation (70% risk of retinal tear), retinal
detachment (RD) especially when pigmented vitreous cell is