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Related Concept Videos

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...
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...
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category, whereas...
Focusing of Light in the Eye01:16

Focusing of Light in the Eye

Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
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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Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents
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Glaucoma and uveitis.

Sana S Siddique1, Ana M Suelves, Ujwala Baheti

  • 1Massachusetts Eye Research and Surgery Institution, Cambridge, MA 02412, USA.

Survey of Ophthalmology
|December 11, 2012
PubMed
Summary
This summary is machine-generated.

Uveitic glaucoma, a severe complication of intraocular inflammation, is a leading cause of preventable blindness. This review details its epidemiology, pathogenesis, and current treatment options for better patient outcomes.

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Area of Science:

  • Ophthalmology
  • Inflammatory eye disease
  • Glaucoma research

Background:

  • Uveitis is a significant cause of preventable blindness globally.
  • Uveitic glaucoma is a major complication of intraocular inflammation.
  • Understanding uveitic glaucoma is crucial for preserving vision.

Purpose of the Study:

  • To comprehensively review the epidemiology of uveitic glaucoma.
  • To elucidate the pathogenesis of uveitic glaucoma.
  • To evaluate current medical and surgical treatment modalities for uveitic glaucoma.

Main Methods:

  • Literature review of epidemiological data.
  • Analysis of studies on the pathogenesis of intraocular inflammation and glaucoma.
  • Systematic evaluation of clinical trials and case series on treatment efficacy and safety.

Main Results:

  • Uveitic glaucoma presents unique challenges in diagnosis and management.
  • Pathogenesis involves complex inflammatory pathways affecting the optic nerve and drainage angle.
  • Current treatments show variable efficacy, necessitating individualized approaches.

Conclusions:

  • Effective management of uveitic glaucoma requires a multidisciplinary approach.
  • Further research is needed to develop targeted therapies.
  • Early detection and intervention are key to preventing vision loss.