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Related Concept Videos

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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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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Encapsulated Cell Technology for the Delivery of Biologics to the Mouse Eye
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Aids for eye drop administration.

Isaiah Davies1, Andrew M Williams2, Kelly W Muir3

  • 1Duke University School of Medicine, Durham, North Carolina, USA.

Survey of Ophthalmology
|December 25, 2016
PubMed
Summary
This summary is machine-generated.

Many patients struggle with self-administering eye drops. Instillation aids, devices designed to help with eye drop application, significantly improve success rates and patient satisfaction.

Keywords:
adherenceadministration aidscomplianceglaucomamedical devicesophthalmic solutionsself-administration

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Area of Science:

  • Ophthalmology
  • Patient Adherence
  • Medical Device Technology

Background:

  • Successful eye drop instillation is crucial for treatment adherence.
  • Patients frequently encounter challenges like aiming, neck extension, and contamination.
  • These difficulties can significantly impact therapeutic outcomes.

Purpose of the Study:

  • To review available literature on eye drop instillation aids.
  • To describe various instillation aid options for patients.
  • To evaluate the efficacy of these devices in improving eye drop administration.

Main Methods:

  • Systematic literature review of studies on eye drop instillation aids.
  • Analysis of reported objective and subjective outcomes.
  • Comparison of aid efficacy against standard eye drop bottles.

Main Results:

  • Most evaluated instillation aids demonstrated improved outcomes.
  • Significant enhancements were noted in successful administration rates.
  • Patient satisfaction levels increased when using instillation aids.

Conclusions:

  • Instillation aids offer a valuable solution for patients struggling with eye drop administration.
  • These devices may be an underutilized resource in managing ocular conditions.
  • Further research is recommended to fully understand the potential of instillation aids.