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Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

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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...
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Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

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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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Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

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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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Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

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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,...
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Related Experiment Video

Updated: Jul 14, 2025

Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients
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[Optic pit maculopathy: incidence and clinical course].

Caroline Chan1, Fabian Norbert Fries2, Barbara Käsmann-Kellner2

  • 1Klinik für Augenheilkunde, Universitätsklinikum des Saarlandes UKS in Homburg/Saar, Kirrberger Str. 100, 66424, Homburg/Saar, Deutschland. caroline.chan@uks.eu.

Die Ophthalmologie
|October 10, 2023
PubMed
Summary

This study found that surgical intervention, such as pars plana vitrectomy, significantly improved vision and retinal structure in patients with optic pit maculopathy. Treatment led to reduced retinal thickness and sustained visual gains.

Keywords:
Kuhnt’s intermediary tissueOctPars-plana vitrectomyRetinal fluidRetinal thickness

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Area of Science:

  • Ophthalmology
  • Retinal Diseases
  • Surgical Interventions

Context:

  • Optic pit maculopathy is a condition characterized by fluid accumulation in the macula originating from an optic disc pit.
  • Understanding the clinical course and treatment outcomes is crucial for managing this rare condition.

Purpose:

  • To investigate the clinical course and treatment outcomes of patients diagnosed with optic pit maculopathy.
  • To evaluate the effectiveness of surgical interventions in improving visual acuity and retinal structure.

Summary:

  • A case series reviewed 18 patients with optic disc pits, identifying optic pit maculopathy in 6 (33.3%).
  • Four patients underwent pars plana vitrectomy with internal limiting membrane peeling, resulting in significant improvements in best corrected visual acuity (BCVA) and reductions in central, nasal parafoveal, and nasal perifoveal retinal thickness (RT).
  • A dry macula was achieved in all surgically treated eyes, with no recurrence at long-term follow-up.

Impact:

  • Surgical treatment, including pars plana vitrectomy, offers a viable therapeutic option for optic pit maculopathy.
  • Interventions lead to significant functional and anatomical recovery, improving patient outcomes.