Skip to main content
Log in

Long-term recovery and fellow eye deterioration after optic neuritis, determined by serial visual evoked potentials

  • Original communication
  • Published:
Journal of Neurology Aims and scope Submit manuscript

Abstract

Twelve optic neuritis patients (part of a larger group in whom the effects of intravenous methylprednisolone treatment were previously reported), were followed-up 3 years from the onset of symptoms with visual evoked potentials (VEPs), contrast sensitivity and visual field examination. Findings from the previously “unaffected” eyes, none of which had had symptomatic optic neuritis, were also assessed. Between 6 months and 3 years after the onset of symptoms the VEPs of the affected eyes showed a significant shortening of mean latency (whole field, 131–123 ms; central field, 136–125 ms). Conversely, the responses of the previously unaffected eyes showed a contemporaneous latency prolongation (significant for the whole field, 110–113 ms) which exceeded the expected effect of aging. Contrast sensitivity tests showed no significant change in the affected eyes but a mild deterioration in the unaffected eyes, while the visual fields showed no overall pattern of improvement or deterioration. If the strong tendency for VEP latencies to shorten is due to ongoing remyelination, the lack of significant improvement in visual function may be because the visual deficit at 6 months is due to irreversible axonal loss rather than demyelination. The absence of functional deterioration in the affected eye, while VEPs and contrast sensitivity deteriorated in the unaffected eye, suggests that long-term remyelination may for a while counteract the effects of insidious demyelination and axonal degeneration which affect the visual pathway during clinical remission.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

Author information

Authors and Affiliations

Authors

Additional information

Received: 7 April 1998 Received in revised form: 17 December 1998 Accepted: 16 February 1999

Rights and permissions

Reprints and permissions

About this article

Cite this article

Brusa, A., Jones, S., Kapoor, R. et al. Long-term recovery and fellow eye deterioration after optic neuritis, determined by serial visual evoked potentials. J Neurol 246, 776–782 (1999). https://doi.org/10.1007/s004150050454

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.1007/s004150050454

Navigation