Geneva, April 20 -- International Clinical Trials Registry received information related to the study (ChiCTR2600121749) titled 'Evaluation of Eyelid Margin Vascular Changes after OPT Treatment Using SS-OCTA and Their Correlation with Clinical Indicators' on April 2.

Study Type: Observational study

Study Design: Cohort study

Primary Sponsor: Eye Hospital, Wenzhou Medical University

Condition: Dry eye syndrome The "Chinese Expert Consensus on Dry Eye" published in 2020 states that dry eye is a chronic ocular surface disease caused by multiple factors. It is triggered by abnormal quality, quantity, and dynamics of tears, resulting in unstable tear film or imbalance of the ocular surface microenvironment, causing various discomfort symp...