Fig. 7From: The influence of iris -ciliary angle (ICA) on the vault after implantation of V4c implantable collamer lens: a chain mediation model of ICL haptic related factorsDiagram of the mediator model to explain the association between ICA and clinical vault. Black solid arrow indicates statistically significant direct route, and black dotted arrow represents no statistical significance. * P < 0.05; ** P < 0.01Back to article page