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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...
Photoreceptors and Visual Pathways01:22

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...
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...
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...
Accessory Structures of the Eye01:17

Accessory Structures of the Eye

Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
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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...

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Updated: Jul 8, 2026

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

Induction of Ocular Surface Inflammation and Collection of Involved Tissues

Published on: August 4, 2022

Drug-induced ocular disorders.

Junping Li1, Ramesh C Tripathi, Brenda J Tripathi

  • 1Eye Clinic, VA Medical Center, Salem, VA, USA.

Drug Safety
|January 26, 2008
PubMed
Summary
This summary is machine-generated.

Medications can cause various eye problems, from eyelid inflammation to vision loss. Understanding drug-induced ocular disorders and their management is crucial for clinicians to ensure patient safety and optimal eye health.

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Area of Science:

  • Ophthalmology
  • Pharmacology
  • Toxicology

Background:

  • Medications, while therapeutic, can cause adverse effects on ocular tissues and functions.
  • Drug-induced ocular toxic reactions are readily detectable and can affect any part of the eye.

Purpose of the Study:

  • To review commonly recognized drug-induced ocular disorders.
  • To describe their clinical features, causative medications, differential diagnoses, and management guidelines.

Main Methods:

  • Literature review of drug-induced ocular disorders.
  • Analysis of clinical features, mechanisms, and management strategies.

Main Results:

  • Commonly affected areas include eyelids (dermatitis, inflammation), conjunctiva (red eye), and cornea.
  • Drug-induced glaucoma (angle-closure and open-angle) can result from various agents, including glucocorticoids and tamsulosin.
  • Cataracts, retinopathy (e.g., bull's eye maculopathy, phototoxic retinopathy), and optic neuropathies are also significant adverse effects.

Conclusions:

  • Drug-induced ocular disorders are diverse, affecting multiple ocular structures.
  • Clinicians must be aware of these potential side effects, even if not listed in product inserts.
  • Consultation with an ophthalmologist is recommended when drug-induced ocular toxicity is suspected.