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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

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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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Angle Closure Glaucoma: Treatment01:28

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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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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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Factors affecting Blood pressure

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Several physiological and lifestyle factors influence blood pressure (BP). Understanding these factors is crucial as they are significant in patient education and blood pressure management.
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Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
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Related Experiment Video

Updated: Aug 9, 2025

Translaminar Autonomous System Model for the Modulation of Intraocular and Intracranial Pressure in Human Donor Posterior Segments
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Ocular and Systemic Factors Associated with Glaucoma.

Tanuj Dada1, Saurabh Verma1, Meghal Gagrani1

  • 1Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences (AIIMS), New Delhi, India.

Journal of Current Glaucoma Practice
|February 16, 2023
PubMed
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Glaucoma progression can occur even with controlled intraocular pressure (IOP). Exploring ocular, systemic, and lifestyle factors is crucial for comprehensive glaucoma management beyond IOP reduction.

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DisorderGlaucomaIntraocular pressureSystemic disease

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Area of Science:

  • Ophthalmology
  • Glaucoma Research
  • Neuro-ophthalmology

Background:

  • Glaucoma is a leading cause of irreversible blindness globally.
  • Current management primarily focuses on lowering intraocular pressure (IOP).
  • A significant challenge is disease progression despite controlled IOP.

Purpose of the Study:

  • To explore additional factors contributing to glaucoma progression.
  • To emphasize the need for a holistic approach in glaucoma patient care.

Main Methods:

  • Review of existing literature on glaucoma pathogenesis and progression.
  • Analysis of ocular risk factors, systemic diseases, medications, and lifestyle modifications.

Main Results:

  • Ocular and systemic factors significantly impact glaucomatous optic neuropathy.
  • Medications and lifestyle choices also play a role in disease course.
  • Many patients progress despite adequate IOP control.

Conclusions:

  • Ophthalmologists must consider a broader range of factors beyond IOP.
  • A holistic approach integrating ocular, systemic, and lifestyle management is essential.
  • Comprehensive patient care can help alleviate suffering from glaucoma.