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Anterior Chamber Disorder

Eyelid Disorders

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Painful Conditions

Vision Disorders

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Transient Monocular BlindnessAka: Amaurosis Fugax

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  1. Definition
    1. Transient painless unilateral Vision Loss
  2. Symptoms
    1. Acute Vision Loss ("Fleeting blindness")
      1. Sudden painless, unilateral blindness
      2. Vision returns to normal in minutes
      3. "Shade or curtain" descends over affected eye
  3. Causes
    1. Central Retinal Artery Occlusion
  4. Differential Diagnosis
    1. See Acute Vision Loss

Amaurosis Fugax (C0149793)

Definition (MSH)Transient complete or partial monocular blindness due to retinal ischemia. This may be caused by emboli from the CAROTID ARTERY (usually in association with CAROTID STENOSIS) and other locations that enter the central RETINAL ARTERY. (From Adams et al., Principles of Neurology, 6th ed, p245)
ConceptsSign or Symptom (T184)
ICD9362.34
MSHD020757
EnglishAF - Amaurosis fugax, AFx - Amaurosis fugax, Amaurosis Fugax, Momentary blindness, TRANSIENT MONOCULAR BLINDNESS
Spanishamaurosis fugax, amaurosis fugaz, ceguera momentanea
Parent ConceptsBlind Vision (C0456909), Amaurosis (C0376288), Finding of brain (C0576471), Carotid Circulation Transient Ischemic Attack (C0751019)
SourcesCOSTAR, DXP, MSH, MTHICD9, NDFRT, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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