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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...
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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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...

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Related Experiment Video

Updated: May 8, 2026

Grossing of Non-neoplastic Globes, Including Fetal Eyes
05:15

Grossing of Non-neoplastic Globes, Including Fetal Eyes

Published on: May 30, 2025

[Ocular malformation and paediatric retinal detachment].

P Meier1

  • 1Universität Leipzig, Universitätsklinikum AöR, Klinik und Polilinik für Augenheilkunde, Leipzig.

Klinische Monatsblatter Fur Augenheilkunde
|August 30, 2013
PubMed
Summary
This summary is machine-generated.

Posterior segment abnormalities increase retinal detachment risk, often requiring vitreoretinal surgery. Surgical outcomes vary with malformations, and surgery is contraindicated in eyes with no light perception.

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Area of Science:

  • Ophthalmology
  • Retinal Diseases
  • Vitreoretinal Surgery

Context:

  • Posterior segment abnormalities, including optic papilla anomalies, coloboma, and persistent hyperplastic primary vitreous (PHPV), are linked to a high risk of retinal detachment.
  • Retinal detachments associated with these congenital malformations typically manifest in the first two decades of life.

Purpose:

  • To review the indications, surgical outcomes, and limitations of vitreoretinal surgery for retinal detachments caused by posterior segment malformations.
  • To define criteria for surgical intervention and identify cases where surgery may be contraindicated.

Summary:

  • Vitreoretinal surgery is often indicated for malformation-related retinal detachments, but functional results depend heavily on the specific malformation.
  • In severe persistent hyperplastic primary vitreous (PHPV), the primary goal of vitrectomy is complication prevention rather than visual restoration.
  • Surgery is inadvisable for eyes with no light perception, absent pupillary light reflex, or unrecordable visually evoked potentials.

Impact:

  • Highlights the importance of individualized surgical approaches based on the nature of ocular malformations.
  • Provides guidance on the judicious use of vitreoretinal surgery, emphasizing realistic functional expectations and contraindications.
  • Informs ophthalmologists about the prognostic factors influencing surgical success in pediatric retinal detachment due to congenital anomalies.