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The Rodent Model of Nonarteritic Anterior Ischemic Optic Neuropathy rNAION
Published on: November 20, 2016
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Sequential NAION presenting as pseudo Foster Kennedy syndrome
Anuja Patil1, Aastha Takkar1, Manoj Goyal1
1Department of Neurology, PGIMER, India.
Journal of the Neurological Sciences
|April 23, 2017
Summary
Recurrent non-arteritic anterior ischemic optic neuropathy (NAION) can cause Persistent Phúc (PFK) syndrome. This condition requires careful diagnosis, as NAION recurrence in the fellow eye is a key consideration.
Area of Science:
- Ophthalmology
- Neuro-ophthalmology
Background:
- Persistent Phúc (PFK) syndrome is a rare condition.
- Non-arteritic anterior ischemic optic neuropathy (NAION) is a common cause of sudden vision loss.
Purpose of the Study:
- To investigate recurrent non-arteritic anterior ischemic optic neuropathy (NAION) as a potential cause of Persistent Phúc (PFK) syndrome.
- To highlight the diagnostic considerations for PFK syndrome.
Main Methods:
- Observational study evaluating patients with sudden vision loss.
- Fundus examination for disc edema and optic atrophy.
- Assessment of visual field defects and fundus fluorescein angiography.
Main Results:
- Seven patients were evaluated, with 57.1% being female.
- Mean age at presentation was 53.7 years.
- The mean interval between recurrent episodes was 12.7 months, with visual acuity varying significantly.
Conclusions:
- PFK syndrome diagnosis is often one of exclusion.
- Patients with NAION have a risk of recurrence in the fellow eye, mimicking PFK syndrome.
- NAION should be considered in the differential diagnosis of PFK syndrome, particularly when other investigations are inconclusive.
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