Comparative Evaluation of Cigarette Smoke and a Heated Tobacco Product on Corneal Oxidative Stress in an Air/Liquid Interface Model.
Giallongo Sebastiano, Bellia Francesco, Russo Andrea, Fallico Matteo, Polosa Riccardo, Castellino Niccolò et al.
This study found cigarette smoke significantly damages the cornea, causing oxidative stress and impaired wound healing. Heated tobacco products showed less corneal damage, suggesting a potentially less toxic alternative.