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Related Experiment Videos

Optic disk neovascularization in hemoglobin SC disease.

R R Ober, R G Michels

    American Journal of Ophthalmology
    |May 1, 1978
    PubMed
    Summary
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    A case study documents optic disk neovascularization in a patient with hemoglobin SC disease. This finding highlights a rare vascular complication in patients with this specific hemoglobinopathy.

    Area of Science:

    • Ophthalmology
    • Hematology
    • Retinal Vascular Diseases

    Background:

    • Hemoglobin SC disease is a type of sickle cell hemoglobinopathy.
    • Sickle cell retinopathy can manifest in various forms, including proliferative retinopathy.
    • Optic disk neovascularization is a recognized, albeit less common, complication.

    Observation:

    • A 37-year-old African American male presented with clinically documented optic disk neovascularization.
    • The patient had a confirmed diagnosis of hemoglobin SC disease.
    • Other causes of proliferative retinopathy were systematically excluded through medical evaluation.

    Findings:

    • Extensive retinal nonperfusion was observed, indicative of vasoproliferative retinopathy.
    • Neovascularization was specifically noted at the border between perfused and nonperfused retinal areas.

    Related Experiment Videos

  • A delicate network of new blood vessels extended from the optic disk into the vitreous humor in one eye.

    • Implications:

    • This case underscores the potential for optic disk neovascularization in hemoglobin SC disease.
    • It emphasizes the importance of comprehensive retinal evaluation in patients with sickle cell hemoglobinopathies.
    • Further research may elucidate the specific mechanisms linking hemoglobin SC disease to this ocular manifestation.