Journal List > J Korean Ophthalmol Soc > v.60(2) > 1116299

Shim, Seo, Lee, and Lee: Eye Drop Chart for Improvement of Topical Eye Drops Administration and Adherence

Abstract

Purpose

To evaluate the efficacy of an eye drop chart and to determine the factors contributing to adherence enhancement using the eye drop chart.

Methods

In this prospective study, enrolled glaucoma patients were educated on the administration of eye drops and use of the eye drop chart. They were required to complete a questionnaire on demographic characteristics and adherence. After 3 months, they completed a second questionnaire on adherence and satisfaction with the use of the eye drop chart. Changes in instillation behavior, relationships between performance scores and demographic characteristics, as well as factors contributing to the improvement of performance scores were analyzed.

Results

Forty-seven patients were enrolled in this study. The performance scores were significantly better for those who administered the eye drops by themselves (p = 0.002), those with an annual income > 60 million won (p = 0.036), and patients with at least a college degree (p = 0.002). After using the eye drop chart for 3 months, the average intraocular pressure was significantly reduced (p = 0.041) and the performance score was improved (p = 0.019). The working area (p = 0.009) and eye drop applicator (p = 0.001) were correlated with performance score enhancement.

Conclusions

The eye drop chart was a cost-effective tool for improving the adherence and instillation practices of glaucoma patients. Adherence was improved among patients with more indoor activity, and those who practiced self-instillation. It is expected that the respective conditions of such patients would be more efficiently improved in a clinical setting.

Figures and Tables

Figure 1

Photographs of Eye- drop chart. (A) Patients can fill in the time and eye-drop name on the front page. (B) The back page provides instructions on eye-drop use with cautions. (C) Actual example of completed eye-drop chart. The drug names and administration times are written above, as shown. Eye-drop chart, when folded as instructed, also plays a role as an eye-drop container.

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Table 1

Questionnaire about adherence

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NA = not applicable.

Table 2

Demographics and clinical characteristics

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Values are presented as number (%) unless otherwise indicated.

SD = standard deviation; IOP = intraocular pressure; MD= mean deviation.

Table 3

Factors attributing performance score at baseline

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Values are presented as mean ± standard deviation or number (%).

IOP = intraocular pressure; MD = mean deviation.

*Mann-Whitney U test.

Table 4

Improvement of adherence after applying eye drop chart

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EDC = eye drop chart.

*Willcoxon signed ranks test.

Table 5

Comparison of temporal changes in IOP and performance score between groups

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Values are presented as mean ± standard deviation or number unless otherwise indicated. ‘Group 1’ means patients whose performance score get worse after three months group. ‘Group 2’ means patients whose performance score get better after three months.

IOP = intraocular pressure.

*Paired t-test.

Table 6

Factors attributing to improvement of performance score

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MD= mean deviation; IOP = intraocular pressure.

*Chi-square test (univariate); Multiple logistic regression analysis.

Table 7

Factors attributing to decrease of performance score

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MD = mean deviation; IOP = intraocular pressure.

*Logistic regression analysis (univariate); Multiple logistic regression analysis.

Notes

This study was made possible with the 2016 SAMSUNG Eye Hospital Grant.

The study was presented as a narration at the 119th Annual Meeting of the Korean Ophthalmological Society 2017 and presented as a poster at the 4th Asia-Pacific Glaucoma Congress 2018.

Conflicts of Interest The authors have no conflicts to disclose.

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