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Related Concept Videos

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...
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...
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...

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Related Experiment Video

Updated: Jun 3, 2026

Modeling Cataract Surgery in Mice
05:19

Modeling Cataract Surgery in Mice

Published on: December 1, 2023

[Infantile cataract and surgical management].

S Milazzo1, P Turut, D Brémond-Gignac

  • 1Clinique ophtalmologique Saint-Victor, 354, boulevard de Beauvillé, 80054 Amiens cedex 01, France. Milazzo.Solange@chu-amiens.fr

Journal Francais D'Ophtalmologie
|March 8, 2011
PubMed
Summary

Pediatric cataracts, or juvenile lens opacification, require careful surgical consideration due to risks like amblyopia. Early diagnosis and a tailored treatment strategy are crucial for managing this common cause of childhood visual impairment.

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Last Updated: Jun 3, 2026

Modeling Cataract Surgery in Mice
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Published on: December 1, 2023

Iris Fixation via External Pentagram Suturing
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Rotating the Intraocular Lens to Prevent Posterior Capsular Opacification in Cataract Surgeries

Published on: July 7, 2023

Area of Science:

  • Ophthalmology
  • Pediatric Medicine

Context:

  • Childhood cataracts (juvenile lens opacification) present significant diagnostic and therapeutic challenges.
  • This condition is a frequent cause of visual handicap in children, necessitating specialized management strategies.

Purpose:

  • To outline the critical factors influencing therapeutic decisions for pediatric cataracts.
  • To emphasize the importance of weighing surgical advantages against disadvantages for each individual case.

Summary:

  • Key elements for analysis include laterality, opacity characteristics, associated malformations, and diagnostic timing.
  • Treatment considerations involve surgical risks, optical correction quality, postoperative care, and parental cooperation.
  • Addressing functional amblyopia is paramount in all pediatric cataract cases.

Impact:

  • Informed clinical decision-making for pediatric cataract surgery.
  • Improved visual outcomes and reduced risk of amblyopia and aniseiconia in affected children.
  • Enhanced understanding of the comprehensive management required for juvenile cataracts.