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Blood supply to the Eye

Blood supply to the Eye. Leo Semes, OD. Case Report. 75 WM Reports the following “. . .at church last week it looked like I was seeing through cracked glass.” What additional information do you want from this history?. Cracked glass vision in a 75 WM. Has it happened before / since?

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Blood supply to the Eye

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  1. Blood supply to the Eye Leo Semes, OD

  2. Case Report • 75 WM • Reports the following “. . .at church last week it looked like I was seeing through cracked glass.” • What additional information do you want from this history?

  3. Cracked glass vision in a 75 WM • Has it happened before / since? • How long did it last? • Was it one eye or both? Which one? • Did you experience any other symptoms?

  4. Cracked glass vision in a 75 WM • What other tests would you do? • VA • Anterior segment evaluation • Tonometry • Fundus evaluation • Results: All unremarkable for age

  5. Cracked glass vision in a 75 WM • What other tests would you do? • Carotid auscultation • Ophthalmodynamometry • Further carotid testing • General physical / vascular assessment • Results:

  6. How would you manage this patient? • Further testing for carotid assessment • BP

  7. Cracked glass vision in a 75 WM • What could be the cause? • Local (vitreous traction) • Vascular • Retinal vasculature • Ophthalmic artery • Carotid artery • Vertebral basilar • Other?

  8. Blood supply to the eye Branches of internal carotid artery: a = internal carotid artery b = vertebral artery c = basilar artery d = ophthalmic artery e = anterior cerebral artery f = middle cerebral artery g = posterior cerebral artery.

  9. Blood supply to the eye

  10. Cracked glass vision in a 75 WM • Outcomes • Carotid Doppler performed • Demonstrated > 90% blockage on left side • Patient recommended for L carotid endarterectomy • Successfully performed X 2 days • Patient survived an additional 7 years (succumbing to emphysema)

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