clinical features

Last reviewed 01/2018

  • symptoms of vitreous hemorrhage are
    • painless floaters
      • these are unilateral
      • are caused by mild hemorrhage
      • may be described as
        • floaters,cobwebs, haze, shadows ,a red hue
    • visual loss
      • occurs as a result of more significant hemorrhage
        • visual acuity may reduce
        • visual fields can be restricted
        • scotomas may be associated
        • vision is sometimes poorer in the mornings
          • this happens when blood collects at the back of the eye
  • points to look for in the history
    • ocular trauma
    • eye surgery
    • diabetes mellitus
    • sickle cell anemia
    • leukemias
    • diseases of the carotid artery
    • high myopic refractive error
  • examination should include
    • indirect ophthalmoscopy with scleral depression
    • gonioscopy
    • measurement of intra ocular pressure
    • B-scan ultrasonography
    • dilated fundoscopy of the other eye
      • may give hints as to the aetiology (e.g. proliferative diabetic retinopathy)
    • vitreous haemorrages may occur in many patterns
      • nondispersed vitreous hemorrhage
        • the retina may be visible
        • the location may be known
        • the source of the lesion may be found out
      • preretinal hemorrhage
        • seen in the subhyaloid space
        • frequently seen as boat-shaped lesions
        • occurs between the posterior hyaloid and the internal limiting membrane
        • this subsides gradually
      • dispersed vitreous hemorrhage
        • this has no clear margins
        • small lesions may be seen as few red blood cells
        • large lesions may obscure the poterior pole

Reference:

(1) John P Berdahl,et al, vitreous hemorrhage: diagnosis and treatment, eye net magazine, copyright © american academy of ophthalmology, 2007