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Related Experiment Videos

Applicator for cyanoacrylate tissue adhesive.

I F Wessels1, J I McNeill

  • 1Department of Ophthalmology, Loma Linda University, Calif.

Ophthalmic Surgery
|March 1, 1989
PubMed
Summary
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Cyanoacrylate tissue adhesive (CTA) offers emergency treatment for corneal perforations. A dental micropipette enables precise, minimal CTA application, overcoming previous limitations in sealing efficacy and toxicity concerns.

Area of Science:

  • Ophthalmology
  • Biomaterials

Background:

  • Cyanoacrylate tissue adhesive (CTA) is valuable for emergency corneal perforation repair.
  • Current limitations include lack of FDA approval, toxicity concerns, and difficulties in precise application.
  • Existing methods struggle to apply minimal glue amounts or achieve watertight seals.

Purpose of the Study:

  • To evaluate a novel method for precise application of CTA in corneal perforations.
  • To address limitations of current CTA application techniques.

Main Methods:

  • Utilized a commercially available dental micropipette for CTA delivery.
  • Applied CTA at the slit lamp for precise placement.

Main Results:

  • The micropipette facilitated consistent, accurate placement of minimal CTA amounts.

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  • This method proved more effective than previously published techniques.
  • Achieved precise and accurate application of minimal CTA volumes.

    • Conclusions:

    • A dental micropipette is an effective tool for precise CTA application in corneal emergencies.
    • This technique may mitigate toxicity concerns and improve sealing in corneal perforation repair.