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Intermittent Ocular Microflutter in a Patient with Acute-Onset Oscillopsia

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ABSTRACT Saccadic intrusions are small involuntary saccadic movements that disrupt visual fixation. Among saccadic intrusions without intersaccadic intervals, ocular flutter and opsoclonus are prominent. The saccade amplitude can occasionally be… Click to show full abstract

ABSTRACT Saccadic intrusions are small involuntary saccadic movements that disrupt visual fixation. Among saccadic intrusions without intersaccadic intervals, ocular flutter and opsoclonus are prominent. The saccade amplitude can occasionally be very small, which is referred to as ocular microflutter. The authors present a patient with acute-onset oscillopsia following a non-specific viral condition. An ocular microflutter was subsequently detected using video-oculography. After extensive investigation, a diagnosis of isolated idiopathic or post-viral ocular microflutter was made. The evolution of the condition was favourable, and the progressive improvement of oscillopsia occurred during the following months; however, complete resolution was not achieved. Ocular microflutter is a saccadic intrusion that is rarely described in the literature and is likely go clinically unnoticed because of its small amplitude and the rare use of video-oculography in daily practice. In patients in whom this condition is suspected, the use of video-oculography is essential for a correct diagnosis.

Keywords: ocular microflutter; onset oscillopsia; microflutter; patient acute; acute onset

Journal Title: Neuro-Ophthalmology
Year Published: 2018

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