Ophthalmology Book

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Posterior Vitreous Detachment

Aka: Posterior Vitreous Detachment, Vitreous Detachment
  1. Pathophysiology
    1. Vitreous humor is hydrated gel in matrix
    2. Matrix collapses with aging and vitreous shrinks
    3. Results in traction between vitreous and Retina
  2. Epidemiology
    1. Prevalence over age 60 years: 25%
    2. Prevalence over age 70 years: 66%
  3. Symptoms
    1. Visual Floaters
  4. Complications
    1. Retinal tear (10-15% risk)
      1. Associated with Photopsias (Light Flashes)
    2. Retinal Detachment (progression from tear)

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