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Related Experiment Videos

Fluorescent viscoelastic enhancement.

K D Smith1, W L Burt

  • 1National Defence Medical Centre, Department of Ophthalmology, Ottawa, Ontario, Canada.

Journal of Cataract and Refractive Surgery
|November 1, 1992
PubMed
Summary
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Fluorescent viscoelastic enhancement improves Healon removal after intraocular lens surgery. This technique reduces irrigation/aspiration time, minimizes manipulation, and prevents postoperative intraocular pressure rise.

Area of Science:

  • Ophthalmology
  • Surgical Techniques
  • Biomaterials

Background:

  • Healon (sodium hyaluronate) is a viscoelastic agent used in ophthalmic surgery.
  • Conventional removal of Healon can be time-consuming and may lead to complications.
  • Efficient removal is crucial for minimizing intraocular manipulation and potential damage.

Purpose of the Study:

  • To introduce and evaluate a novel technique called "fluorescent viscoelastic enhancement" (FVE).
  • To assess the impact of FVE on the time required for Healon removal.
  • To determine if FVE can reduce postoperative intraocular pressure and endothelial cell loss.

Main Methods:

  • Utilizing an Erreger 485 exciter filter with the operating microscope to visualize Healon.
  • Observing the transformation of translucent Healon into a brilliant opaque green viscoelastic.

Related Experiment Videos

  • Measuring the time for Healon aspiration and irrigation/aspiration (I/A) with and without FVE.

    • Main Results:

    • FVE allows for clear visualization of Healon, facilitating complete removal.
    • The technique significantly minimized I/A time compared to conventional methods.
    • FVE demonstrated a reduction in postoperative intraocular pressure compared to clear Healon removal.

    Conclusions:

    • Fluorescent viscoelastic enhancement is an effective method for improving Healon removal during intraocular lens surgery.
    • This technique reduces surgical time, minimizes anterior chamber manipulation, and may decrease corneal endothelial cell loss.
    • FVE provides assurance of complete Healon removal, preventing potential complications like trapped viscoelastic material.