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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...
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...
Microbiome of the Eye01:22

Microbiome of the Eye

The human eye has a specialized microbiota that reflects its unique anatomical and immunological environment. This low-biomass microbial community predominantly colonizes the conjunctiva and eyelid margins, playing a vital role in ocular surface homeostasis and defense. Despite its proximity to the richly colonized facial skin, the ocular surface maintains a distinct microbial profile due to continuous mechanical and biochemical defense mechanisms.The conjunctival surface hosts fewer microbial...
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...
Ophthalmic Drug Delivery Systems01:23

Ophthalmic Drug Delivery Systems

Ophthalmic drug delivery faces major limitations due to poor absorption across the corneal membrane. This process is primarily driven by diffusion and is influenced by two main factors: the physicochemical properties of the drug and tear drainage. Most ophthalmic drugs, such as pilocarpine, epinephrine, atropine, and local anesthetics, are weak bases. They are typically formulated at an acidic pH to enhance chemical stability. However, this leads to high ionization, reducing their ability to...

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Related Experiment Video

Updated: Jun 16, 2026

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia
06:15

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia

Published on: August 9, 2024

Controversy: ocular sarcoidosis.

Denis Wakefield1, Manfred Zierhut

  • 1Faculty of Medicine, University of New South Wales, Kensington, Sydney, New South Wales, Australia. d.wakefield@unsw.edu.au

Ocular Immunology and Inflammation
|February 5, 2010
PubMed
Summary
This summary is machine-generated.

New diagnostic criteria for ocular sarcoidosis are being used, but experts still debate its diagnosis and management as an isolated eye condition.

Related Experiment Videos

Last Updated: Jun 16, 2026

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia
06:15

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia

Published on: August 9, 2024

Area of Science:

  • Ophthalmology
  • Rheumatology
  • Immunology

Background:

  • Ocular sarcoidosis is an enigmatic and controversial condition.
  • Recent publication of diagnostic criteria has spurred renewed interest.
  • Understanding expert consensus on diagnosis and management is crucial.

Purpose of the Study:

  • To survey leading ophthalmologists on key issues in ocular sarcoidosis diagnosis and treatment.
  • To assess the uptake and impact of new diagnostic criteria.
  • To identify areas of ongoing debate among experts.

Main Methods:

  • A survey was distributed to leading ophthalmologists.
  • The survey focused on diagnosis and treatment of ocular sarcoidosis.
  • Results were analyzed to identify trends and differences in opinion.

Main Results:

  • Significant uptake and utilization of the new diagnostic criteria were observed.
  • Considerable differences in opinion persist regarding ocular sarcoidosis as an isolated condition.
  • Varied approaches to diagnosis and management of ocular sarcoidosis were reported.

Conclusions:

  • The new diagnostic criteria for ocular sarcoidosis are being adopted.
  • Further research and consensus-building are needed for isolated ocular sarcoidosis.
  • Standardized diagnostic and management protocols are essential for optimal patient care.