Available online 22 August 2023

DED represents a challenge in terms of economic and environmental sustainability due to the significant number of patients and resources involved. Chronic treatment with eye drops generates a huge amount of plastic waste, which is increased with single-dose vials (compared to multidose vials). To avoid direct toxicity and to reduce the use of resources, unpreserved eye drops in multidose containers should be considered beneficial. Prevention of risk factors is important. Digital solutions for

No conflict of interests.

© 2023 Published by Elsevier Inc.