Amaurosis fugax
Symptoms
Uniocular loss of vision lasting seconds to minutes, but may last up
to 2 hours. Following which vison must return to normal. Such episodes
may have occurred in the past.
What is it?
Embolus from the carotid artery, heart or aorta or a form of vascular
insufficiency as a result of arteriosclerosis; cardiac arrhythmia; hypercoagulation,
rarely tumours of the orbit.
Treatment
For the cardiovascular cause treatment is referred to the specialist.
Ideally all such cases must be thoroughly worked up by the consultant
physician/cardiologist.
For the eye, treatment with a calcium channel blockers is useful.
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