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Related Concept Videos

Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

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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Vitreomacular traction syndrome.

Juliana Bottós1, Javier Elizalde, J Fernando Arevalo

  • 1Department of Ophthalmology, Federal University of São Paulo, UNIFESP, Brazil.

Journal of Ophthalmic & Vision Research
|January 1, 2013
PubMed
Summary

New imaging technology clarifies vitreomacular traction (VMT) syndrome, a condition impacting macular disorders. Understanding VMT

Keywords:
Cystoid Macular EdemaEpiretinal MembranesHD-OCTMacular HoleOptical Coherence TomographyPosterior Vitreous DetachmentVitreomacular Traction SyndromeVitreoretinal Interface

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Area of Science:

  • Ophthalmology
  • Medical Imaging
  • Retinal Diseases

Background:

  • High-definition optical coherence tomography (OCT) advances imaging capabilities.
  • Vitreomacular traction (VMT) syndrome requires clearer definitions and classifications.
  • VMT is implicated in the pathophysiology of various macular disorders.

Purpose of the Study:

  • To review and define concepts related to VMT syndrome.
  • To propose a classification system for VMT based on OCT findings.
  • To analyze the relationship between VMT configuration and macular changes.

Main Methods:

  • Utilized high-definition optical coherence tomography (OCT) for imaging.
  • Reviewed existing literature and clinical data on VMT syndrome.
  • Classified VMT based on OCT findings and correlated with clinical outcomes.

Main Results:

  • VMT configuration influences anatomical and functional consequences.
  • Focal VMT can lead to macular holes, edema, and detachment.
  • Broad VMT is associated with epiretinal membranes and impaired recovery.
  • Visual improvement is greater in focal VMT due to lower preoperative visual acuity.

Conclusions:

  • OCT findings are crucial for classifying VMT syndrome.
  • VMT morphology and symptom duration affect surgical outcomes.
  • Surgical intervention is effective for relieving VMT and improving visual acuity.