Vitreous & Retina

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Retinal Vascular Diseases
Multiple hollenhorst plaques observed in the main and smaller branch arteries.

  • Cholesterol emboli which usually dislodged from the carotid arteries, or calcific fragments from a stenosed aortic valve.
  • Clinical features:
    • Symptoms: usually give no symptoms.
    • Signs:
      • Planar or flat-shaped, minute, bright, refractile, golden-yellow crystals that most commonly found at bifurcations of retinal arteries
      • Blood flow may not be disrupted because of the shape of the crystal.
  • Management:
    • Patients with atherosclerotic risk factors such as DM or hypertension require an embolic workup including echocardiography or carotid doppler
    • No treatment is required.

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