Abstract
Glaucoma is a leading cause of vision loss. First line therapy for primary open angle glaucoma (POAG) are topical ocular hypotensive drops. Patient adherence with topical therapy for glaucoma is a significant challenge with a reported adherence of 60%. The purpose of this review is to discuss factors associated with glaucoma adherence (including demographic factors, cost, patient education, health beliefs, treatment burden and regimen, and physical limitations) and to explore potential interventions to improve medication adherence. Articles included in this review were found by searching PubMed and Google Scholar using the key words "Glaucoma Treatment Adherence" and "Glaucoma Treatment Compliance." Data from this review demonstrates that higher medication cost, lower patient education/literacy levels, and being of African and Hispanic descent are associated with lower medication adherence rates. The data is inconclusive on whether medication regimen complexity lowers patient medication adherence rates. Interventions that have successfully improved medication adherence rates for minority patients have focused on building trust and addressing fears and false beliefs. For cost, explicit physician communication to patients regarding medication cost is important and can help the physician determine any patient concerns about cost. Outside the USA, adherence has been improved through adherence-contingent rebate systems and government subsidies. Most interventions that aim to increase adherence target patient education and literacy with the following interventions demonstrating efficacy: written instructions targeting glaucoma-specific health literacy, literacy level appropriate glaucoma education videos, and interactive and personalized educational programs. More clinic infrastructure and programs that utilize patient reminder tools and patient educators could help physicians and patients in support of these personalized action plans.
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