Professor Ye-Guo Chen, one of the top five key opinion leaders in Chinese refractive surgery has demonstrated a drastic improvement in flap thickness and planarity when using the One Use-Plus SBK microkeratome, defined as 'Sub Bowman's Keratomileusis. '

Journal of Refractive Surgery(June issue)

 the investigators concluded that the One Use-Plus and M2 microkeratomes have similar safety and efficacy. However, the One Use-Plus was not able to realize a fully planar-shaped flap. 