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Related Experiment Videos

[Corneal sensitivity in diabetes mellitus]

B Riss, S Binder, L Havelec

    Klinische Monatsblatter Fur Augenheilkunde
    |June 1, 1982
    PubMed
    Summary

    Diabetic patients show reduced corneal sensitivity, particularly with longer symptom duration and poor blood sugar control. Diabetic retinopathy may precede detectable corneal nerve damage.

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    Area of Science:

    • Ophthalmology
    • Diabetology
    • Neurology

    Context:

    • Diabetes mellitus affects multiple organ systems, including the cornea.
    • Corneal sensitivity can be objectively measured using an esthesiometer.
    • Understanding diabetic neuropathy's ocular manifestations is crucial for patient care.

    Purpose:

    • To assess corneal sensitivity in diabetic patients.
    • To correlate corneal sensitivity with diabetes type, duration, glycemic control, and retinopathy.

    Summary:

    • Corneal sensitivity was significantly reduced in both juvenile and maturity-onset diabetics.
    • Reduced sensitivity correlated positively with symptom duration in juvenile diabetics and was more pronounced with poor glycemic control.
    • Diabetic retinopathy was observed in 43% of patients with decreased corneal sensitivity, suggesting retinopathy may precede detectable corneal polyneuropathy.

    Impact:

    • Highlights the prevalence of corneal nerve dysfunction in diabetes.
    • Suggests corneal sensitivity testing as a potential biomarker for diabetic neuropathy.
    • Provides evidence that diabetic retinopathy may be an earlier indicator than corneal sensitivity changes.

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