Gaze-evoked amaurosis from vitreopapillary traction.

Barrett Katz, William F. Hoyt

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

PURPOSE: We report four patients with gaze-evoked amaurosis attributable to incomplete posterior vitreous detachment and ensuing vitreopapillary traction. We present these cases to illustrate and extend the spectrum of vitreopapillary syndromes and to draw attention to vitreopapillary traction and its expected manifestations in both optic disk appearance and optic nerve and retinal function. DESIGN: This is a retrospective observational case series culled from tertiary neuro-ophthalmology practice. METHODS: Patients were evaluated with direct and indirect ophthalmoscopy, Hruby (precorneal) lens, three-mirror Goldmann contact lens, macular contact lens, formal perimetry, fundus photography, fluorescein angiography, and orbital ultrasound. RESULTS: Four patients with gaze-evoked amaurosis had disk edema associated with a partial posterior vitreous separation. These patients were young and had atypical posterior vitreous detachments characterized by persisting vitreopapillary attachments. CONCLUSIONS: Gaze-evoked amaurosis is a rare visual obscuration precipitated by changes in volitional gaze, usually associated with an underlying orbital mass. We extend its etiologies to implicate the vitreous through traction expressed at the optic disk. In our cases, vitreopapillary traction elevated the nerve head and eye movements precipitated transient visual phosphenes followed by gaze-evoked amaurosis caused by traction transmitted from the vitreous to superficial nerve fibers of the retina and disk.

Original languageEnglish (US)
Pages (from-to)631-637
Number of pages7
JournalAmerican Journal of Ophthalmology
Volume139
Issue number4
StatePublished - Apr 2005
Externally publishedYes

Fingerprint

Traction
Blindness
Vitreous Detachment
Contact Lenses
Optic Disk
Phosphenes
Ophthalmoscopy
Head Movements
Visual Field Tests
Fluorescein Angiography
Photography
Ophthalmology
Optic Nerve
Eye Movements
Nerve Fibers
Lenses
Retina
Edema

ASJC Scopus subject areas

  • Ophthalmology

Cite this

Gaze-evoked amaurosis from vitreopapillary traction. / Katz, Barrett; Hoyt, William F.

In: American Journal of Ophthalmology, Vol. 139, No. 4, 04.2005, p. 631-637.

Research output: Contribution to journalArticle

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