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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.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

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...
Glaucoma: Overview01:25

Glaucoma: Overview

Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
Diabetic Retinopathy01:27

Diabetic Retinopathy

DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...

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Related Experiment Video

Updated: May 29, 2026

Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients
12:23

Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients

Published on: April 14, 2014

Simvastatin improves final visual outcome in acute optic neuritis: a randomized study.

Anna Tsakiri1, Klaus Kallenbach, Dan Fuglø

  • 1Department of Neurology, Glostrup Hospital, University of Copenhagen, Denmark. ants@dadlnet.dk

Multiple Sclerosis (Houndmills, Basingstoke, England)
|September 17, 2011
PubMed
Summary
This summary is machine-generated.

Simvastatin treatment improved visual evoked potentials in patients with optic neuritis. The drug was well-tolerated, showing potential benefits for visual outcomes in this condition.

Related Experiment Videos

Last Updated: May 29, 2026

Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients
12:23

Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients

Published on: April 14, 2014

Area of Science:

  • Neuroscience
  • Immunology
  • Pharmacology

Background:

  • Statins (HMGCoA reductase inhibitors) exhibit immunomodulatory effects.
  • Potential therapeutic applications in multiple sclerosis (MS) and related conditions are being explored.
  • Optic neuritis (ON) is an inflammatory condition affecting the optic nerve.

Purpose of the Study:

  • To evaluate the efficacy of simvastatin in patients with acute optic neuritis.
  • To assess the impact of simvastatin on visual outcomes and brain magnetic resonance imaging (MRI) findings.
  • To determine the safety and tolerability of simvastatin in this patient group.

Main Methods:

  • A randomized, placebo-controlled trial involving 64 patients with acute ON.
  • Participants received either simvastatin (80 mg daily) or placebo for 6 months.
  • Evaluated outcomes included contrast sensitivity, visual acuity, color perception, visual evoked potentials (VEP), Visual Analogue Scale (VAS) scores, and brain MRI lesions.

Main Results:

  • Simvastatin significantly improved VEP latency and amplitude (p=0.01).
  • A borderline positive effect was observed on contrast sensitivity (Arden score, p=0.06) and VAS (p=0.04).
  • No significant effects were found on brain MRI or relapse rates between groups.

Conclusions:

  • Simvastatin 80 mg daily is well-tolerated in patients with acute ON.
  • The study suggests a possible benefit of simvastatin for visual outcomes in acute ON.
  • Class I evidence supports the tolerability and potential efficacy of simvastatin.