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A-Z Glossary

Table of Contents

Vitreous Detachment

Courtney Dryer, OD
Written byCourtney Dryer, OD
  • Last updated December 2, 2022

What is a Vitreous Detachment?

A posterior vitreous detachment (PVD) is defined as the separation of the posterior vitreous humor from the inner limiting membrane of the retina. It is commonly associated with aging.  The PVD results from the gel becoming more liquid which can place traction on the peripheral retina resulting in pathology and retinal complications. Posterior vitreous detachment is estimated to occur in two-thirds of those older than 65 years. A PVD can be observed by OCT to begin as early as the first and second decade of life. It begins in the mid-peripheral vitreous, most frequently in the superior quadrants.

Key Takeaways

  • A posterior vitreous detachment (PVD) is a separation of the vitreous humor and retina.
  • Age, high amounts of myopia, and cataract surgery are significant risk factors for a PVD.
  • No treatments exist for a vitreous detachment.
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Understanding Vitreous Detachment

A posterior vitreous detachment (PVD) is the separation of the vitreous from the retina. A PVD is a benign event with few symptoms and no vision loss. However, a vitreous detachment may result in a retina tear or detachment which may cause vision loss. New symptoms warrant a visit to the eye doctor. 

Risk Factors for Vitreous Detachment

Age is the biggest risk factor for a posterior vitreous detachment (PVD). It is estimated to occur in two-thirds of those older than 65 years. Myopia is the second greatest risk factor.  Studies show a PVD develops at a significantly younger age in eyes with high myopia compared with non-highly myopic eyes, which suggests PVD-related retinal pathologies occur at a younger age in highly myopic patients. In addition, cataract surgery leads to changes in the vitreous  humor that may lead to a vitreous detachment.

Vitreous Detachment Symptoms

  • Cobweb-like floaters
  • Flashes of light in the periphery
  • Weiss ring, a circle or oval floater

Diagnosing Vitreous Detachment

A diagnosis of vitreous detachment can be made by an eye doctor performing a dilated eye exam.

Vitreous Detachment Treatment

Currently, there are no treatments for a vitreous detachment. However, new onset of floaters warrants a dilated exam with an eye doctor. In rare cases, as the vitreous detaches, it can cause a retinal tear, which requires treatment.

Sources

  1. Coppé AM, Lapucci G. Posterior vitreous detachment and retinal detachment following cataract extraction. Curr Opin Ophthalmol. 2008 May;19(3):239-42. doi: 10.1097/ICU.0b013e3282fc9c4a. PMID: 18408500.
  2. Gishti O, van den Nieuwenhof R, Verhoekx J, van Overdam K. Symptoms related to posterior vitreous detachment and the risk of developing retinal tears: a systematic review. Acta Ophthalmol. 2019 Jun;97(4):347-352. doi: 10.1111/aos.14012. Epub 2019 Jan 11. PMID: 30632695.
  3. Hayashi A, Ito Y, Takatsudo Y, Hara N, Gehlbach PL, Mori K. Posterior Vitreous Detachment in Normal Healthy Subjects Younger Than Age Twenty. Invest Ophthalmol Vis Sci. 2021 Oct 4;62(13):19. doi: 10.1167/iovs.62.13.19. PMID: 34677570; PMCID: PMC8543394.
  4. Sebag J. Posterior Vitreous Detachment. Ophthalmology. 2018 Sep;125(9):1384-1385. doi: 10.1016/j.ophtha.2018.05.018. Epub 2018 Aug 21. PMID: 30143091.

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