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Related Experiment Videos

Macular reflexes in optic atrophy.

A B Safran, Y Lupolover, J Berney

    American Journal of Ophthalmology
    |October 15, 1984
    PubMed
    Summary
    This summary is machine-generated.

    Optic atrophy alters macular and foveal reflexes, especially in younger patients. These retinal changes can indicate optic nerve damage extent and aid in diagnosing children.

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    Area of Science:

    • Ophthalmology
    • Neuro-ophthalmology

    Background:

    • Optic atrophy affects the optic nerve, potentially impacting retinal function.
    • Macular and foveal reflexes are indicators of retinal health.

    Purpose of the Study:

    • To investigate changes in macular and foveal reflexes in patients with optic atrophy.
    • To compare these changes with age-matched normal controls.

    Main Methods:

    • Red-free fundus photography was used to examine 14 eyes with optic atrophy.
    • Observations were compared to 51 age-matched normal eyes.
    • Patients ranged from 13 to 34 years old.

    Main Results:

    • Optic atrophy was associated with significant alterations in macular and foveal reflexes.

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  • Changes were more pronounced in eyes with visual acuity of 20/50 or worse.
  • Younger patients (≤25 years) showed more distorted annular reflexes compared to older patients.
  • Fading of the foveal reflex was noted in both age groups.

    • Conclusions:

    • Alterations in retinal reflexes are linked to changes in the ganglion cell and nerve fiber layers in optic atrophy.
    • These reflex changes are valuable clinical signs for assessing optic atrophy extent.
    • They can be particularly useful in examining children with optic atrophy, aiding differential diagnosis from primary retinal disorders.