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Ophthalmic Drug Delivery Systems01:23

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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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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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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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Drug Delivery: Miscellaneous Routes01:22

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Drug delivery methods like oral inhalation, nasal sprays, transdermal patches, eye drops, intravitreal injection,  and rectal administration provide localized effects with reduced toxicity.
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Routes of Drug Administration: Overview01:22

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Drug administration involves delivering drugs to the body through various routes, such as enteral, parenteral, and topical.
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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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How to administer eye drops and eye ointment.

Mary Shaw1

  • 1University of Manchester, Manchester, England.

Nursing Standard (Royal College of Nursing (Great Britain) : 1987)
|May 26, 2016
PubMed
Summary
This summary is machine-generated.

Proper administration of eye drops and ointments is crucial for treating ocular conditions effectively and preventing vision loss. Nurses must understand the correct sequence and potential interactions for optimal patient eye care.

Keywords:
clinical proceduresclinical skillseye careeye dropseye ointmentophthalmic careophthalmology

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Area of Science:

  • Ophthalmology
  • Nursing Practice

Background:

  • Eye drops and ointments are primary treatments for various ocular conditions.
  • Incorrect administration can lead to prolonged illness and potential vision impairment.

Purpose of the Study:

  • To emphasize the importance of correct eye drop and ointment administration techniques.
  • To highlight the necessity of nursing knowledge regarding ocular medication safety.

Main Methods:

  • Review of standard procedures for administering ophthalmic medications.
  • Discussion of the impact of administration order on drug absorption.

Main Results:

  • Eye drops should be administered before eye ointments to ensure proper absorption.
  • Knowledge of medication techniques, side effects, and interactions is vital for nurses.

Conclusions:

  • Prioritizing correct ocular medication administration enhances patient safety and treatment outcomes.
  • Continuous nursing education on ophthalmic treatments is essential for evidence-based practice.