PURPOSE:To identify the most important variables interfering with the correct topical administration of antiglaucomatous drugs. METHODS: Forty glaucomatous patients under clinical treatment were interviewed and observed while applying antiglaucomatous drugs. The following variables were analyzed: sex; age; income; washing of the hands; number of drops; motor abnormalities; availability of another person to apply the drug; place of the globe reached; bottle-eye contact; previous instruction; positioning for application; development of a burning sensation, pain or irritation. Using the questionary, the variables were correlated with the quality of instillation. RESULTS: Among all variables, only the availability of another person to apply the drug and the existence of a burning sensation, pain or eye irritation showed statistically important correlation to proper instillation. CONCLUSION: The presence of a companion and the development of burning sensation affected the quality of instillation.
Glaucoma; Drug utilization; Instillation, drug
