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Related Concept Videos

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.
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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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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...
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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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Related Experiment Video

Updated: Jun 10, 2025

Scleral Cross-linking Using Riboflavin and Ultraviolet-A Radiation for Prevention of Axial Myopia in a Rabbit Model
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Molecular changes in intraocular fluid: implications for myopia.

Zewei Zhang1,2, Lingfeng Lv1,2, Dongmei Chen3

  • 1Department of Ophthalmology, Shanghai Ninth People's Hospital, China.

International Journal of Biological Sciences
|October 21, 2024
PubMed
Summary
This summary is machine-generated.

Myopia, a common vision disorder, involves changes in eye fluid molecules. Understanding these molecular shifts in aqueous humor and vitreous offers new insights for myopia monitoring and treatment.

Keywords:
Aqueous humorIntraocular fluidMolecular changesMyopiaVitreous

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Last Updated: Jun 10, 2025

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Area of Science:

  • Ophthalmology
  • Molecular Biology
  • Biochemistry

Background:

  • Myopia is the most prevalent global eye disease, characterized by optical power/axial length mismatch.
  • Scleral remodeling, oxidative stress, inflammation, angiogenesis, fibrosis, and metabolism are key factors in myopia onset and progression.
  • Intraocular fluid composition changes can indicate ocular physiological and pathological states.

Purpose of the Study:

  • To systematically review molecular alterations in intraocular fluid during myopia progression.
  • To explore the underlying mechanisms of these molecular changes.
  • To provide insights for basic myopia research and clinical applications.

Main Methods:

  • Systematic literature review of studies investigating molecular changes in intraocular fluid.
  • Analysis of molecular alterations in aqueous humor and vitreous humor.
  • Examination of associations between molecular changes and myopia progression stages.

Main Results:

  • Recent studies indicate diverse molecular changes in intraocular fluid during myopia.
  • Abnormal molecular expression patterns correlate with different myopia stages.
  • These molecules offer potential biomarkers for myopia monitoring and therapeutic targets.

Conclusions:

  • Molecular changes in intraocular fluid are closely linked to myopia development and progression.
  • Identifying and understanding these molecular markers can significantly advance myopia research.
  • This review highlights the potential of intraocular fluid analysis for improved myopia management.