A non-invasive Schirmer strip-based analysis of tear cotinine and MMP-9 levels in chronic smokers
Cont Lens Anterior Eye . 2025 Apr;49(2):102598. doi: 10.1016/j.clae.2025.102598. Epub 2025 Dec 31. ABSTRACT PURPOSE: This study aimed to objectively investigate the impact of chronic cigarette smoking on ocular surface…