Fig. 2From: 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 factorsUBM image showing the measurement of the sulcus to sulcus (STS) and the crystalline lens rise (CLR). The CLR was defined as the distance from anterior pole of the lens to STS planeBack to article page