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A Journal on Ophthalmology
Minerva Oftalmologica 2000 September-December;42(3-4):41-6
Optic nerve sheath fenestration. Indications and surgical approaches
Bernardini F., Ravazzoni L., Guglielminetti E.
Background. Re-evaluate indications and surgical technique for optic nerve sheath fenestration (ONSF) and its complications.
Methods. Discussion of the literature and review of the results in a series of 17 patients submitted to ONSF performed at the University of Cincinnati through a lateral canthotomy as described by Kersten and Kulwin.
Results. Personal experience of ONSF performed in 17 eyes of 14 patients affected by pseudotumor cerebri (PTC), non-arteritic anterior ischemic optic neuropathy (NAION) etc., sho-wed no cases with worsening of vision after surgery and only temporary motility and pupillary dysfunctions. It revealed to be effective in the treatment of PTC, but also effective and safe in the treatment of NAION in its progressive form.
Conclusions. ONSF is safer when performed through a lateral canthotomy approah and effective in arresting or reversing visual loss also in patients affected by the progressive variant of NAION.