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Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

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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...
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Open Angle Glaucoma: Treatment01:27

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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.
Drugs such as carbonic anhydrase inhibitors, α2- and...
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Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

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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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Pre-Procedural Guidelines for Assessing Blood Pressure01:10

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Accurate blood pressure assessment is crucial for diagnosing and managing various health conditions. To ensure the reliability of these measurements, healthcare professionals must adhere to standardized pre-procedural guidelines. These guidelines enhance patient safety and improve the overall quality of healthcare. The following steps are essential for obtaining accurate and consistent blood pressure readings, from using the appropriate tools to ensuring effective communication with the...
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Blind Procedures02:07

Blind Procedures

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Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which...
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Blinding01:11

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Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.
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Updated: Jul 23, 2025

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A Previsit Intervention's Influence on Glaucoma Topics Discussed between Black Patients and Providers.

Betsy Sleath1, Delesha M Carpenter2, Donald L Budenz3

  • 1Division of Pharmaceutical Outcomes and Policy, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; Cecil G. Sheps Center for Health Services Research, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.

Ophthalmology. Glaucoma
|July 13, 2023
PubMed
Summary

A previsit video and question prompt list intervention significantly improved provider education for Black patients with glaucoma. This intervention increased patient questions and provider discussions on glaucoma diagnosis, treatment, and medication.

Keywords:
BlackEducationGlaucomaMedicationQuestion prompt list

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Area of Science:

  • Ophthalmology
  • Health Disparities
  • Patient Education

Background:

  • Glaucoma is a leading cause of blindness, particularly affecting Black populations.
  • Nonadherence to glaucoma medication is a significant challenge in managing the disease.
  • Effective patient-provider communication is crucial for improving adherence and outcomes.

Purpose of the Study:

  • To evaluate a previsit intervention (video/question prompt list) to enhance glaucoma education for Black patients.
  • To assess the intervention's impact on provider-patient communication regarding glaucoma and its treatment.

Main Methods:

  • A randomized controlled trial involving 189 nonadherent Black patients with glaucoma.
  • Intervention group received a video and question prompt list before clinic visits.
  • Usual care group received standard care; visits were audio-recorded and patients interviewed post-visit.

Main Results:

  • Intervention patients asked significantly more questions about glaucoma and its treatment.
  • Providers educated intervention patients more frequently on diagnosis, intraocular pressure, long-term therapy, and physical changes.
  • Provider education on medication purpose and side effects also increased significantly in the intervention group.

Conclusions:

  • The previsit intervention effectively increased provider education on various glaucoma and medication topics.
  • This strategy shows promise for improving patient understanding and engagement in glaucoma care.
  • Further research is needed to address specific educational gaps like adherence barriers and medication administration.