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Iris atrophy in sickle cell disease.

R W Acheson, S M Ford, G H Maude

    The British Journal of Ophthalmology
    |July 1, 1986
    PubMed
    Summary
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    Iris atrophy is linked to sickle cell disease, particularly in males with SC disease. This condition often co-occurs with proliferative sickle retinopathy, suggesting a shared vaso-occlusive origin.

    Area of Science:

    • Ophthalmology
    • Hematology
    • Genetics

    Background:

    • Iris atrophy is an observed ocular complication in sickle cell disease (SCD).
    • Its etiology remains unclear, though it is hypothesized to stem from the vaso-occlusive phenomena characteristic of SCD.

    Purpose of the Study:

    • To investigate the prevalence, clinical characteristics, and associations of iris atrophy in patients with sickle cell disease.
    • To describe the histopathological findings in a case of iris atrophy.

    Main Methods:

    • Retrospective analysis of 25 eyes from 22 patients (2 with SS disease, 20 with SC disease) diagnosed with iris atrophy.
    • Clinical data and hematological indices were reviewed.
    • Histopathological examination was performed on one patient.

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    Main Results:

    • Iris atrophy was observed in 25 eyes across 22 SCD patients.
    • The highest crude prevalence was noted in males with SC disease (14.7%).
    • Iris atrophy showed a strong association with proliferative sickle retinopathy within the same eye. Hematological indices did not differ significantly between affected and unaffected patients.

    Conclusions:

    • Iris atrophy is a recognized complication in sickle cell disease, particularly prevalent in males with SC disease.
    • The strong association with proliferative sickle retinopathy suggests a common underlying vaso-occlusive pathogenesis.
    • Further research is needed to elucidate the precise mechanisms and implications of iris atrophy in SCD.