Authors: Qin Qin, Chen Hui, Li Yizhuang, Bao Lianyun DOI: 10.3760/cma.j.issn.2095-0160.2016.02.009 Published 2016-02-10 Cite as Chin J Exp Ophthalmol, 2016,34(2): 137-142. Abstract [Download PDF] [Read Full Text] Background Postoperative ametropia, especially large astigmatism after deep anterior lamellar keratoplasty (DALK) for keratoconus often results in poor visual acuity. Though postoperative […]