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Related Experiment Videos

Visual function after optic neuritis: a preliminary study.

A S Budning1, M Gans, R Filer

  • 1Department of Ophthalmology, Sir Mortimer B. Davis Jewish General Hospital, McGill University, Montreal, PQ.

Canadian Journal of Ophthalmology. Journal Canadien D'Ophtalmologie
|February 1, 1991
PubMed
Summary

Visual function recovery after optic neuritis is best measured by automated perimetry, low-contrast acuity, and visual evoked response (VER), not just standard visual acuity or steroid treatment.

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Area of Science:

  • Ophthalmology
  • Neuroscience
  • Clinical Vision Science

Background:

  • Optic neuritis can lead to persistent visual deficits.
  • Assessing visual function recovery is crucial for patient management.
  • Standard visual acuity may not fully capture residual visual impairment.

Purpose of the Study:

  • To evaluate visual function recovery in patients post-optic neuritis.
  • To identify the most sensitive objective tests for detecting residual visual deficits.
  • To determine if recovery is influenced by initial visual acuity or steroid treatment.

Main Methods:

  • Utilized five objective tests: Ishihara color plates, D15 color desaturated spots, Humphrey automated perimetry, Regan contrast acuity charts, and visual evoked response (VER).

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  • Assessed 15 consecutive patients during their recovery phase from optic neuritis.

    • Main Results:

    • Visual function recovery was not significantly correlated with presenting Snellen visual acuity.
    • Oral steroid treatment did not appear to influence the degree of visual recovery.
    • Mean defect on automated perimetry, low-contrast acuity, and VER were the most sensitive indicators of remaining visual impairment.

    Conclusions:

    • Standard visual acuity and steroid treatment are insufficient measures for assessing optic neuritis recovery.
    • Automated perimetry, low-contrast acuity, and VER provide more sensitive detection of visual deficits post-optic neuritis.
    • These sensitive tests aid in a more comprehensive understanding of visual recovery and residual impairment.