Figure 1: (a) Comparison among IOP values provided by the different devices in healthy subjects;(b) Comparison among IOP values provided by the different devices in subjects that underwent MPRK; (c) Comparison among IOP values provided by the different devices in eyes affected by KP. IOP: Intraocular pressure values, MPRK: Myopic photorefractive keratectomy, KP: Keratoconus patients