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Related Concept Videos

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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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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Induction of Ocular Surface Inflammation and Collection of Involved Tissues
06:38

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Published on: August 4, 2022

Drug-induced ocular inflammatory diseases.

Frederick W Fraunfelder1

  • 1The National Registry of Drug-Induced Ocular Side Effects, Casey Eye Institute, Oregon Health and Science University, Portland, Oregon 97239-4197, USA. eyedrug@ohsu.edu

Drugs of Today (Barcelona, Spain : 1998)
|March 14, 2007
PubMed
Summary

Drug-induced ocular inflammation, including conjunctivitis and uveitis, can occur through various administration routes. Early recognition and drug withdrawal are key for prevention and treatment, often requiring ophthalmologist consultation.

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Area of Science:

  • Ophthalmology
  • Pharmacology
  • Toxicology

Background:

  • Ocular inflammation encompasses conditions like conjunctivitis, uveitis, episcleritis, and scleritis.
  • Uveitis can be classified anatomically (anterior/posterior) or by inflammatory site (iritis, pars planitis, iridocyclitis).
  • Numerous medications are implicated in causing ocular inflammation.

Purpose of the Study:

  • To discuss a selection of drugs associated with drug-induced ocular inflammation.
  • To highlight the importance of recognizing and managing medication-related ocular side effects.

Main Methods:

  • Review of literature and existing resources on drug-induced ocular inflammation.
  • Discussion of drug classes known to cause ocular inflammation.
  • Reference to specialized registries and textbooks for comprehensive information.

Main Results:

  • Certain drug classes are associated with various forms of ocular inflammation.
  • Drugs can be administered systemically, topically, or intracamerally, leading to ocular inflammation.
  • The precise mechanisms of drug-induced ocular inflammation are often not fully understood.

Conclusions:

  • Physician recognition and potential drug withdrawal are crucial for managing ocular inflammation.
  • Prompt consultation with an ophthalmologist is recommended due to the vision-threatening potential of these conditions.
  • Resources like the National Registry of Drug-Induced Ocular Side Effects offer further information.