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Related Experiment Videos

Statistics of eye collections.

R D Richards, M Catzen

    Annals of Ophthalmology
    |February 1, 1975
    PubMed
    Summary

    Donor eye suitability for corneal transplantation depends on donor age and donation timing, not cause of death. Antibiotic treatment reduces positive cultures, but some potentially pathogenic organisms may still be present.

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    Area of Science:

    • Ophthalmology
    • Transplantation Immunology
    • Microbiology

    Background:

    • Corneal transplantation is a common procedure to restore vision.
    • Donor eye availability is crucial for successful transplantation outcomes.
    • Factors influencing donor eye suitability require ongoing investigation.

    Purpose of the Study:

    • To identify key factors determining donor eye viability for corneal transplantation.
    • To assess the impact of donor characteristics and donation timing on eye utilization.
    • To evaluate the prevalence and significance of microbial contamination in donor eyes.

    Main Methods:

    • Retrospective analysis of donor eye data.
    • Correlation of donor demographics (age, cause of death) and donation parameters (time) with graft success.
    • Microbiological culturing of donor eyes at enucleation.
    • Assessment of antibiotic treatment effects on culture positivity.

    Main Results:

    • Cause of death was not a significant factor in donor eye utilization.
    • Donor age and donation timing (weekday vs. weekend) were significant factors.
    • Initial positive culture rates at enucleation were 50%, reduced to 20-30% with antibiotic treatment.
    • Potentially pathogenic organisms were found in 15% of positive cultures (approximately 4% of all donor eyes).

    Conclusions:

    • Donor age and donation timing are critical for corneal transplantation suitability.
    • While antibiotic treatment reduces contamination, vigilance for potentially pathogenic organisms is necessary.
    • Further research may optimize donor selection criteria and microbial management protocols.

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