Related Experiment Video
Updated: Jul 5, 2026
13:47
Laser Capture Microdissection of Highly Pure Trabecular Meshwork from Mouse Eyes for Gene Expression Analysis
Published on: June 3, 2018
Barriers to adherence with glaucoma medications: a qualitative research study
J Lacey1, H Cate, D C Broadway
1Department of Ophthalmology, Glaucoma Research Unit, Norfolk and Norwich University Hospital NHS Trust, Norwich, UK.
Eye (London, England)
|April 26, 2008
Summary
Understanding barriers to glaucoma medication adherence is key to preventing vision loss. Tailored patient education and feedback on drop efficacy can improve adherence and motivation, safeguarding sight.
Area of Science:
- Ophthalmology
- Public Health
- Patient Adherence Research
Background:
- Glaucoma, a leading cause of blindness, requires consistent medical therapy to halt progression.
- Poor adherence to glaucoma medication is a significant challenge in managing the disease.
- Identifying obstacles and motivations for adherence is crucial for effective treatment.
Purpose of the Study:
- To investigate the obstacles and motivations influencing adherence to glaucoma medication.
- To explore potential strategies for improving patient adherence to glaucoma therapy.
Main Methods:
- Qualitative study involving focus groups and semi-structured interviews with patients diagnosed with moderate/severe glaucoma.
- Participants were prescribed two or more topical medications.
- Data analysis employed 'Framework' analysis, verified by a co-investigator and NVIVO software.
Main Results:
- Key obstacles to adherence included poor education, lack of motivation, forgetfulness, difficulties with drop application, and practical issues.
- Patient motivation for adherence stemmed from fear of blindness and belief in medication efficacy.
- Individual and age-related differences influenced adherence challenges.
Conclusions:
- Early identification of adherence obstacles post-diagnosis is essential.
- A personalized approach, including initial education on non-adherence consequences and feedback on drop efficacy, can enhance motivation.
- Future research should focus on optimal methods for delivering glaucoma education and management information to patients.
Related Concept Videos
01:27Open 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...
Drugs such as carbonic anhydrase inhibitors, α2- and...
01:25Glaucoma: 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...
01:23Ophthalmic 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...
02:07Blind Procedures
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 child was...
01:22Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption
As individuals age, their body's physiology evolves, affecting drug pharmacokinetics. The most apparent changes occur in the gastrointestinal tract, where an increase in gastric pH, a delay in gastric emptying, and a reduction in gastrointestinal motility are observed. Remarkably, these changes do not substantially modify the absorption of orally administered drugs, particularly those absorbed via passive diffusion.Transdermal drug delivery emerges as a highly viable method for older adults due...
01:28Angle 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...