Abstract
Bilateral cortical blindness and Anton syndrome, are most commonly caused by ischaemic stroke. In this condition, patients have loss of vision but deny their blindness despite objective evidence of visual loss. We report a case of a patient with multiple cardiovascular risk factors who developed recurrent bilateral occipital lobe infarct with Anton syndrome. A suspicion of this condition should be raised when the patient has denial of blindness in the presence of clinical and radiological evidence of occipital lobe injury. Management of this condition should focus on the underlying cause, in which our patient requires secondary stroke prevention and rehabilitation.
Highlights
Cortical blindness refers to loss of vision caused by bilateral occipital lobe lesions with presence of intact anterior visual pathway [1, 2]
We describe one case with Anton syndrome secondary to recurrent bilateral occipital infarct
A 57-year-old man with background history of diabetes mellitus, hypertension, hyperlipidemia, and bilateral occipital lobe infarct 5 years ago presented with sudden bilateral loss of vision for a 3-day duration associated with slurred speech
Summary
Cortical blindness refers to loss of vision caused by bilateral occipital lobe lesions with presence of intact anterior visual pathway [1, 2]. Anton syndrome (visual anosognosia) is a rare complication of cortical blindness with denial of loss of vision by patient who is unable to see [2, 3]. Such patient may confabulate during visual examinations or offer excuses for their symptoms or may endanger themselves to prove that they are capable of seeing [2]. Ischemic stroke is the most common cause of cortical blindness [1, 4]. We describe one case with Anton syndrome secondary to recurrent bilateral occipital infarct
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