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Related Experiment Videos

Filtering bleb modification with a THC:YAG (Holmium) laser.

Andrew G Iwach1, Maria E Delgado, Misato Adachi

  • 1Glaucoma Research & Education Group, San Francisco, California 94102, USA.

Ophthalmic Surgery and Lasers
|May 25, 2002
PubMed
Summary

The holmium laser (THC:YAG) effectively remodels oversized blebs, treating hypotony and bleb leaks. This laser surgery improved intraocular pressure (IOP) and visual acuity in most patients.

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Area of Science:

  • Ophthalmology
  • Glaucoma Surgery
  • Laser Therapy

Background:

  • Oversized blebs can lead to hypotony and leaks after glaucoma surgery.
  • Current management options for these complications may be limited.

Purpose of the Study:

  • To present a novel method for remodeling oversized blebs using the holmium laser (THC:YAG).
  • To evaluate the efficacy of THC:YAG laser in treating hypotony and bleb leaks.

Main Methods:

  • Retrospective review of 13 patients undergoing holmium laser bleb revision.
  • Analysis of pre- and post-operative intraocular pressure (IOP), visual acuity, and complications.

Main Results:

  • Mean preoperative IOP was 4.1 mm Hg, increasing to 7.84 mm Hg post-procedure.

Related Experiment Videos

  • Visual acuity improved in 9 eyes and remained stable in 4 eyes.
  • Complications included hyphema and conjunctival microcyst rupture.

    • Conclusions:

    • The THC:YAG laser is effective for sculpting large blebs and increasing IOP in hypotonous eyes.
    • This laser technique can successfully close bleb leaks under specific circumstances.
    • Holmium laser bleb revision offers a viable treatment option for managing oversized blebs and associated complications.