Efficacy and safety of perfluorohexyloctane (PFHO) in patients with dry eye disease (DED) due to meibomian gland dysfunction (MGD): Systematic review and meta-analysis. - Munsab R; Zafar R; Fatima A; Taj J; Usman M; Anjum MU; Hasanain M; Bhattarai P (Medicine, 2025)