2026. SURVEY OF PATIENT KNOWLEDGE REGARDING SAFETY WHEN USING EYE DROPS AND OINTMENTS AMONG OUTPATIENTS COVERED BY HEALTH INSURANCE AT CLINIC 2D NGUYEN VIET XUAN – HANOI EYE HOSPITAL . Vietnam Journal of Community Medicine. 67, CĐ5-NCKH (May 2026). DOI:https://doi.org/10.52163/yhc.v67iCD5.5023.