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Open Angle Glaucoma: Treatment01:27

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In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
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Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
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Retinal Pigment Epithelium Transplantation in a Non-human Primate Model for Degenerative Retinal Diseases
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Small gauge vitrectomy: Recent update.

Sumeet Khanduja1, Ashish Kakkar, Saptrishi Majumdar

  • 1Regional Institute of Ophthalmology, Pt. Bhagwat Dayal PGIMS, Rohtak, India.

Oman Journal of Ophthalmology
|June 18, 2013
PubMed
Summary

Minimally invasive vitreous surgery (MIVS) utilizes smaller incisions for faster recovery and less damage. While offering benefits like shorter surgical times, MIVS complications include wound instability and hypotony.

Keywords:
Pars plana vitrectomysutureless vitrectomyvitreoretinal surgery

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Area of Science:

  • Biomedical Engineering
  • Ophthalmology
  • Surgical Innovation

Background:

  • Minimally invasive vitreous surgery (MIVS), or small gauge vitrectomy, represents significant advancements in ophthalmic surgery.
  • Key principles include reduced wound diameter and altered conjunctival/scleral wound placement.
  • Fluidic dynamics and illumination strategies have been adapted for smaller instrumentation.

Purpose of the Study:

  • To review the advancements, advantages, and complications associated with small gauge vitrectomy.
  • To consolidate current knowledge on minimally invasive vitreous surgery techniques.

Main Methods:

  • A comprehensive literature search was conducted on PubMed using terms related to small gauge vitrectomy (23, 25, and 27 gauge).
  • Searches were performed in December 2011 and revised in August 2012, with no date restrictions.
  • Included articles were in English or other languages with English abstracts.

Main Results:

  • MIVS offers advantages such as shorter surgical duration, reduced conjunctival trauma, and quicker patient recovery.
  • Potential complications include wound dehiscence, postoperative hypotony, endophthalmitis, and retinal breaks.
  • Specific challenges arise with recent cataract wounds and in eyes with scleral thinning.

Conclusions:

  • Small gauge vitrectomy is suitable for most cases, but careful consideration of potential complications is necessary.
  • Wound stability and specific ocular conditions are critical factors in MIVS outcomes.
  • Ongoing research and discussion highlight the need for continued review of sutureless vitrectomy techniques.