Posterior vitreous detachment
Citation, DOI, disclosures and case data
Di Muzio B, Posterior vitreous detachment. Case study, Radiopaedia.org (Accessed on 20 Mar 2023) https://doi.org/10.53347/rID-85591
At the time the case was submitted for publication Bruno Di Muzio had no recorded disclosures.View Bruno Di Muzio's current disclosures
2 Jan 2021
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Previous vitreous hemorrhage.
Age: 55 years
From the case: Posterior vitreous detachment
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There is a linear echogenic membrane in the posterior compartment of the left eye that is partially mobile and crosses the intersection of the optic nerve. Some floating echoes in the vitreous chamber would be in keeping with resolving hemorrhage in this setting.
Posterior vitreous detachment (or hyaloid detachment) occurs when the retinal layer and vitreous body/posterior hyaloid membrane dissociate, with an intervening fluid collection forming in the sub hyaloid space.