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Related Experiment Videos

Corneal holder.

T E Slappey

    American Journal of Ophthalmology
    |September 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    A new corneal holder simplifies lamellar dissection for preserved human corneas. This economical, easy-to-sterilize instrument aids in preparing corneal grafts of any size.

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    Area of Science:

    • Ophthalmology
    • Surgical Instrumentation
    • Tissue Engineering

    Background:

    • Preserved corneas, often stored in McCarey-Kaufman (M-K) medium, are widely used in ophthalmic procedures.
    • Lamellar dissection is a crucial step in preparing corneal grafts from excised whole human corneas.
    • Existing methods may present challenges in terms of efficiency and graft size control.

    Purpose of the Study:

    • To develop and describe a novel corneal holder designed to facilitate lamellar dissection of preserved human corneas.
    • To create a cost-effective, user-friendly, and sterilizable surgical instrument.
    • To enable precise dissection of lamellar corneal grafts of variable sizes.

    Main Methods:

    • Development of a corneal holder with a base, cutting pedestal, scleral rim-sealing sleeve, and retaining ring.

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  • Evaluation of the holder's usability, economic feasibility, and sterilizability.
  • Demonstration of its utility in unassisted lamellar dissection of excised whole human corneas.

    • Main Results:

    • The developed corneal holder is economically manufactured, simple to operate, and easily sterilized.
    • The instrument's design, including its weight and construction, allows for unassisted lamellar dissection.
    • The holder facilitates the preparation of lamellar corneal grafts of any desired size.

    Conclusions:

    • The novel corneal holder is an effective tool for lamellar dissection of preserved human corneas.
    • Its practical features make it a valuable addition to ophthalmic surgical instrumentation.
    • The device supports the preparation of customized corneal grafts, enhancing surgical versatility.