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Related Experiment Videos

Intraocular pressure changes in the vitreon study.

C Batman1, O Cekiç, Y Totan

  • 1Department of Vitreoretinal Surgery, SSK Eye Hospital, Ankara, Turkey.

Ophthalmic Surgery and Lasers
|November 26, 1999
PubMed
Summary
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Perfluoroperhydrophenanthrene (vitreon) use as a vitreous substitute did not significantly alter intraocular pressure (IOP) or hypotony risk in vitrectomy patients. Vitreon can be safely used for four weeks.

Area of Science:

  • Ophthalmology
  • Retinal Surgery
  • Vitreoretinal Interface

Background:

  • Proliferative vitreoretinopathy (PVR) is a complex condition often requiring surgical intervention.
  • Intraoperative surgical adjuncts are crucial for managing complex vitreoretinal procedures.

Purpose of the Study:

  • To evaluate the effect of Perfluoroperhydrophenanthrene (vitreon) on intraocular pressure (IOP) changes.
  • To assess the safety and efficacy of vitreon as a temporary vitreous substitute.

Main Methods:

  • A randomized study involving 105 eyes undergoing vitrectomy for PVR.
  • Vitreon was either removed postoperatively (Group A, n=43) or left intravitreally for 4 weeks (Group B, n=62).
  • Patients were monitored for at least 18 months, with IOP and hypotony assessed.

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Main Results:

  • No statistically significant difference in IOP elevation (≥23 mm Hg) was observed between groups during the first postoperative week (P=.393).
  • Chronic hypotony rates at final follow-up were low and not significantly different between groups (Group A: 5%, Group B: 10%; P=.561).

Conclusions:

  • Leaving vitreon intravitreally for 4 weeks did not lead to a statistically significant increase in chronic hypotony risk.
  • Vitreon demonstrates potential as a safe vitreous substitute for up to 4 weeks in vitrectomy surgery.